./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:03:21,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:03:21,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:03:21,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:03:21,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:03:21,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:03:21,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:03:21,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:03:21,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:03:21,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:03:21,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:03:21,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:03:21,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:03:21,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:03:21,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:03:21,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:03:21,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:03:21,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:03:21,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:03:21,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:03:21,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:03:21,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:03:21,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:03:21,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:03:21,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:03:21,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:03:21,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:03:21,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:03:21,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:03:21,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:03:21,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:03:21,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:03:21,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:03:21,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:03:21,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:03:21,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:03:21,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:03:21,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:03:21,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:03:21,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:03:21,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:03:21,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 14:03:21,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:03:21,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:03:21,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:03:21,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:03:21,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:03:21,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:03:21,804 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:03:21,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:03:21,805 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:03:21,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:03:21,805 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:03:21,805 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:03:21,805 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:03:21,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:03:21,806 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:03:21,806 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:03:21,806 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:03:21,806 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:03:21,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:03:21,807 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:03:21,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:03:21,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:03:21,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:03:21,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:03:21,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:03:21,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:03:21,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:03:21,808 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:03:21,808 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:03:21,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:03:21,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:03:21,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:03:21,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:03:21,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:03:21,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:03:21,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:03:21,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-12-14 14:03:22,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:03:22,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:03:22,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:03:22,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:03:22,033 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:03:22,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-14 14:03:24,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:03:24,774 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:03:24,775 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-14 14:03:24,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data/a3a74dd83/86c15f57cd8243518f43fcfe239b94c8/FLAGefcc852a3 [2022-12-14 14:03:25,100 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data/a3a74dd83/86c15f57cd8243518f43fcfe239b94c8 [2022-12-14 14:03:25,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:03:25,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:03:25,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:03:25,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:03:25,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:03:25,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:03:25" (1/1) ... [2022-12-14 14:03:25,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd80024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:25, skipping insertion in model container [2022-12-14 14:03:25,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:03:25" (1/1) ... [2022-12-14 14:03:25,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:03:25,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:03:25,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-14 14:03:25,862 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:03:25,863 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-14 14:03:25,864 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:03:25,866 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:03:25,867 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-14 14:03:25,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-14 14:03:26,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:03:26,110 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:03:26,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-14 14:03:26,150 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:03:26,151 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-14 14:03:26,152 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:03:26,152 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:03:26,152 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-14 14:03:26,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-14 14:03:26,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:03:26,303 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:03:26,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26 WrapperNode [2022-12-14 14:03:26,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:03:26,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:03:26,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:03:26,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:03:26,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,384 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1038 [2022-12-14 14:03:26,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:03:26,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:03:26,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:03:26,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:03:26,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:03:26,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:03:26,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:03:26,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:03:26,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (1/1) ... [2022-12-14 14:03:26,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:03:26,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:03:26,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:03:26,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-12-14 14:03:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-12-14 14:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 14:03:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-12-14 14:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 14:03:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 14:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 14:03:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 14:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 14:03:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-12-14 14:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-12-14 14:03:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-12-14 14:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 14:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-12-14 14:03:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-12-14 14:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:03:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-12-14 14:03:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-12-14 14:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 14:03:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 14:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-12-14 14:03:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-12-14 14:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:03:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-12-14 14:03:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-12-14 14:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:03:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 14:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-14 14:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-12-14 14:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 14:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-12-14 14:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-12-14 14:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-14 14:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-14 14:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 14:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 14:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-12-14 14:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-12-14 14:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-12-14 14:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-12-14 14:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-12-14 14:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-12-14 14:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-12-14 14:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-12-14 14:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-12-14 14:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-12-14 14:03:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-12-14 14:03:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-12-14 14:03:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 14:03:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 14:03:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 14:03:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 14:03:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:03:26,738 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:03:26,740 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:03:28,041 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:03:28,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:03:28,252 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 14:03:28,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:03:28 BoogieIcfgContainer [2022-12-14 14:03:28,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:03:28,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:03:28,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:03:28,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:03:28,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:03:25" (1/3) ... [2022-12-14 14:03:28,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2dca94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:03:28, skipping insertion in model container [2022-12-14 14:03:28,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:03:26" (2/3) ... [2022-12-14 14:03:28,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2dca94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:03:28, skipping insertion in model container [2022-12-14 14:03:28,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:03:28" (3/3) ... [2022-12-14 14:03:28,261 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-12-14 14:03:28,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:03:28,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-12-14 14:03:28,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:03:28,318 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@262fdaee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:03:28,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-14 14:03:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 180 states have (on average 1.4277777777777778) internal successors, (257), 206 states have internal predecessors, (257), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-12-14 14:03:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 14:03:28,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:03:28,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:03:28,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:03:28,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:03:28,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2146770319, now seen corresponding path program 1 times [2022-12-14 14:03:28,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:03:28,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176219058] [2022-12-14 14:03:28,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:03:28,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:03:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:03:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:03:28,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:03:28,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176219058] [2022-12-14 14:03:28,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176219058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:03:28,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:03:28,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:03:28,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814757747] [2022-12-14 14:03:28,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:03:28,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:03:28,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:03:28,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:03:28,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:03:28,730 INFO L87 Difference]: Start difference. First operand has 305 states, 180 states have (on average 1.4277777777777778) internal successors, (257), 206 states have internal predecessors, (257), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:03:29,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:03:29,798 INFO L93 Difference]: Finished difference Result 612 states and 828 transitions. [2022-12-14 14:03:29,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:03:29,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 14:03:29,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:03:29,808 INFO L225 Difference]: With dead ends: 612 [2022-12-14 14:03:29,808 INFO L226 Difference]: Without dead ends: 307 [2022-12-14 14:03:29,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:03:29,814 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 7 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:03:29,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1065 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 14:03:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-12-14 14:03:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2022-12-14 14:03:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 181 states have (on average 1.4143646408839778) internal successors, (256), 207 states have internal predecessors, (256), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:03:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 407 transitions. [2022-12-14 14:03:29,860 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 407 transitions. Word has length 7 [2022-12-14 14:03:29,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:03:29,862 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 407 transitions. [2022-12-14 14:03:29,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:03:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 407 transitions. [2022-12-14 14:03:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 14:03:29,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:03:29,863 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:03:29,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:03:29,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:03:29,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:03:29,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1923724099, now seen corresponding path program 1 times [2022-12-14 14:03:29,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:03:29,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556242714] [2022-12-14 14:03:29,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:03:29,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:03:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:03:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:03:30,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:03:30,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556242714] [2022-12-14 14:03:30,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556242714] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:03:30,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174267717] [2022-12-14 14:03:30,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:03:30,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:03:30,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:03:30,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:03:30,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:03:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:03:30,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:03:30,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:03:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:03:30,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:03:30,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174267717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:03:30,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:03:30,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 14:03:30,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599996155] [2022-12-14 14:03:30,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:03:30,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:03:30,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:03:30,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:03:30,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:03:30,346 INFO L87 Difference]: Start difference. First operand 303 states and 407 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:03:31,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:03:31,786 INFO L93 Difference]: Finished difference Result 307 states and 411 transitions. [2022-12-14 14:03:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:03:31,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 14:03:31,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:03:31,790 INFO L225 Difference]: With dead ends: 307 [2022-12-14 14:03:31,790 INFO L226 Difference]: Without dead ends: 306 [2022-12-14 14:03:31,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 14:03:31,791 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 127 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:03:31,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1472 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 14:03:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-12-14 14:03:31,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 302. [2022-12-14 14:03:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 181 states have (on average 1.408839779005525) internal successors, (255), 206 states have internal predecessors, (255), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:03:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2022-12-14 14:03:31,808 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 10 [2022-12-14 14:03:31,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:03:31,808 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2022-12-14 14:03:31,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:03:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2022-12-14 14:03:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 14:03:31,809 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:03:31,809 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:03:31,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:03:32,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:03:32,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:03:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:03:32,012 INFO L85 PathProgramCache]: Analyzing trace with hash -494094804, now seen corresponding path program 1 times [2022-12-14 14:03:32,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:03:32,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305807456] [2022-12-14 14:03:32,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:03:32,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:03:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:03:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:03:32,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:03:32,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305807456] [2022-12-14 14:03:32,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305807456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:03:32,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:03:32,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:03:32,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955140577] [2022-12-14 14:03:32,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:03:32,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:03:32,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:03:32,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:03:32,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:03:32,150 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:03:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:03:32,777 INFO L93 Difference]: Finished difference Result 302 states and 406 transitions. [2022-12-14 14:03:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:03:32,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 14:03:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:03:32,779 INFO L225 Difference]: With dead ends: 302 [2022-12-14 14:03:32,779 INFO L226 Difference]: Without dead ends: 301 [2022-12-14 14:03:32,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:03:32,780 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:03:32,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:03:32,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-12-14 14:03:32,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2022-12-14 14:03:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 179 states have (on average 1.4078212290502794) internal successors, (252), 203 states have internal predecessors, (252), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:03:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 403 transitions. [2022-12-14 14:03:32,794 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 403 transitions. Word has length 11 [2022-12-14 14:03:32,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:03:32,795 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 403 transitions. [2022-12-14 14:03:32,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:03:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 403 transitions. [2022-12-14 14:03:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 14:03:32,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:03:32,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:03:32,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:03:32,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:03:32,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:03:32,796 INFO L85 PathProgramCache]: Analyzing trace with hash -494056007, now seen corresponding path program 1 times [2022-12-14 14:03:32,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:03:32,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476899052] [2022-12-14 14:03:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:03:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:03:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:03:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:03:32,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:03:32,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476899052] [2022-12-14 14:03:32,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476899052] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:03:32,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470243278] [2022-12-14 14:03:32,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:03:32,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:03:32,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:03:32,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:03:32,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:03:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:03:33,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:03:33,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:03:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:03:33,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:03:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:03:33,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470243278] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:03:33,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1688640321] [2022-12-14 14:03:33,175 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-12-14 14:03:33,175 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:03:33,178 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:03:33,182 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:03:33,183 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:03:33,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-12-14 14:03:33,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-12-14 14:03:33,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 14:03:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-12-14 14:03:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:33,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-12-14 14:03:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 253 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 379 [2022-12-14 14:03:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:34,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 53 [2022-12-14 14:03:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:03:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:03:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-14 14:03:35,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-12-14 14:03:35,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:35,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-12-14 14:03:35,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:35,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:35,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:03:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:35,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:35,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:35,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:35,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:03:35,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:35,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:35,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:03:35,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:35,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:03:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:35,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:35,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:03:35,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:35,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:35,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:35,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:36,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-12-14 14:03:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:36,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:36,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:36,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:36,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:03:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:36,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:36,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-12-14 14:03:36,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:36,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:36,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:37,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:03:37,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:37,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:37,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:03:37,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:37,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:37,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:37,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:37,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:03:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:37,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:37,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:37,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:03:37,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:03:37,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:03:37,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:03:37,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:03:37,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:03:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:38,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-12-14 14:03:38,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:38,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-12-14 14:03:38,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-12-14 14:03:38,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-12-14 14:03:41,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2057 treesize of output 2050 [2022-12-14 14:03:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:03:41,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2065 treesize of output 2038 [2022-12-14 14:03:41,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2057 treesize of output 2050 [2022-12-14 14:03:42,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:03:42,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:03:42,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 14:03:43,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-12-14 14:03:43,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-12-14 14:03:43,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-12-14 14:03:43,627 INFO L197 IcfgInterpreter]: Interpreting procedure spin_lock_init with input of size 770 for LOIs [2022-12-14 14:03:44,169 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:03:54,963 WARN L233 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 770 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:04:02,870 WARN L233 SmtUtils]: Spent 7.73s on a formula simplification. DAG size of input: 795 DAG size of output: 699 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:04:09,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1688640321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:04:09,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:04:09,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5] total 18 [2022-12-14 14:04:09,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731184173] [2022-12-14 14:04:09,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:04:09,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 14:04:09,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:04:09,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 14:04:09,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2022-12-14 14:04:09,706 INFO L87 Difference]: Start difference. First operand 299 states and 403 transitions. Second operand has 10 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:04:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:04:40,242 INFO L93 Difference]: Finished difference Result 561 states and 755 transitions. [2022-12-14 14:04:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 14:04:40,243 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 14:04:40,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:04:40,245 INFO L225 Difference]: With dead ends: 561 [2022-12-14 14:04:40,245 INFO L226 Difference]: Without dead ends: 339 [2022-12-14 14:04:40,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 43.9s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2022-12-14 14:04:40,246 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 75 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:04:40,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1918 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-12-14 14:04:40,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-12-14 14:04:40,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 332. [2022-12-14 14:04:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 205 states have (on average 1.3853658536585365) internal successors, (284), 227 states have internal predecessors, (284), 79 states have call successors, (79), 32 states have call predecessors, (79), 32 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-12-14 14:04:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 441 transitions. [2022-12-14 14:04:40,301 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 441 transitions. Word has length 11 [2022-12-14 14:04:40,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:04:40,301 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 441 transitions. [2022-12-14 14:04:40,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:04:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 441 transitions. [2022-12-14 14:04:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 14:04:40,302 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:04:40,302 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:04:40,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 14:04:40,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:04:40,504 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:04:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:04:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash -15456414, now seen corresponding path program 1 times [2022-12-14 14:04:40,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:04:40,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715591881] [2022-12-14 14:04:40,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:04:40,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:04:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:04:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:04:40,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:04:40,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715591881] [2022-12-14 14:04:40,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715591881] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:04:40,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926125871] [2022-12-14 14:04:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:04:40,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:04:40,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:04:40,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:04:40,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:04:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:04:40,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:04:40,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:04:40,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 14:04:40,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:04:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:04:40,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926125871] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:04:40,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [945448703] [2022-12-14 14:04:40,988 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-12-14 14:04:40,988 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:04:40,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:04:40,988 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:04:40,988 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:04:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-12-14 14:04:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-12-14 14:04:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 253 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 379 [2022-12-14 14:04:41,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 53 [2022-12-14 14:04:41,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 14:04:41,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-12-14 14:04:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:41,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-12-14 14:04:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:42,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:04:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:42,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-14 14:04:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:42,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:04:42,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:04:42,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:42,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:42,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:42,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:42,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:04:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:42,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:42,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:42,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-12-14 14:04:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:43,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-12-14 14:04:43,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:43,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:43,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:43,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:04:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:43,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:43,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:04:43,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:43,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:43,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:43,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:43,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:43,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:04:43,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:44,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:04:44,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:44,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:44,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:44,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:04:44,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-12-14 14:04:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:44,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:04:44,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-12-14 14:04:44,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:44,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:44,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:44,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:44,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:44,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:04:44,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:04:44,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:44,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:04:44,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:04:44,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:04:45,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:45,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-12-14 14:04:45,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:04:45,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:04:46,553 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:04:46,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1999 treesize of output 2004 [2022-12-14 14:04:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:04:46,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2003 treesize of output 1976 [2022-12-14 14:04:46,824 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:04:46,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1995 treesize of output 2000 [2022-12-14 14:04:56,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 14:04:56,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:04:56,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:04:56,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:04:56,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 14:04:56,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:04:56,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-12-14 14:04:56,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-12-14 14:04:56,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-12-14 14:04:57,522 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 165 for LOIs [2022-12-14 14:04:57,535 INFO L197 IcfgInterpreter]: Interpreting procedure spin_lock_init with input of size 770 for LOIs [2022-12-14 14:04:58,069 INFO L197 IcfgInterpreter]: Interpreting procedure zf_readw with input of size 163 for LOIs [2022-12-14 14:04:58,214 INFO L197 IcfgInterpreter]: Interpreting procedure outb with input of size 166 for LOIs [2022-12-14 14:04:58,224 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:05:03,406 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 760 DAG size of output: 664 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:05:09,879 WARN L233 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 770 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:05:17,953 WARN L233 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 795 DAG size of output: 699 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:05:27,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [945448703] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:05:27,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:05:27,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [5, 5, 5] total 27 [2022-12-14 14:05:27,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976017199] [2022-12-14 14:05:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:05:27,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 14:05:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:05:27,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 14:05:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:05:27,202 INFO L87 Difference]: Start difference. First operand 332 states and 441 transitions. Second operand has 19 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 12 states have internal predecessors, (24), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-14 14:06:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:06:11,540 INFO L93 Difference]: Finished difference Result 667 states and 891 transitions. [2022-12-14 14:06:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 14:06:11,541 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 12 states have internal predecessors, (24), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 41 [2022-12-14 14:06:11,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:06:11,544 INFO L225 Difference]: With dead ends: 667 [2022-12-14 14:06:11,544 INFO L226 Difference]: Without dead ends: 359 [2022-12-14 14:06:11,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 98 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 58.8s TimeCoverageRelationStatistics Valid=203, Invalid=1437, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 14:06:11,545 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 113 mSDsluCounter, 3231 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:06:11,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 3569 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-12-14 14:06:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2022-12-14 14:06:11,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 349. [2022-12-14 14:06:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 219 states have (on average 1.3881278538812785) internal successors, (304), 241 states have internal predecessors, (304), 81 states have call successors, (81), 33 states have call predecessors, (81), 33 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2022-12-14 14:06:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 465 transitions. [2022-12-14 14:06:11,612 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 465 transitions. Word has length 41 [2022-12-14 14:06:11,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:06:11,613 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 465 transitions. [2022-12-14 14:06:11,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 12 states have internal predecessors, (24), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-14 14:06:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 465 transitions. [2022-12-14 14:06:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 14:06:11,614 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:06:11,614 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:06:11,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:06:11,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:06:11,815 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:06:11,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:06:11,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1719043462, now seen corresponding path program 1 times [2022-12-14 14:06:11,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:06:11,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6214428] [2022-12-14 14:06:11,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:06:11,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:06:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:06:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:06:11,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:06:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6214428] [2022-12-14 14:06:11,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6214428] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:06:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332013433] [2022-12-14 14:06:11,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:06:11,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:06:12,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:06:12,000 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:06:12,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:06:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:06:12,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:06:12,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:06:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 14:06:12,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:06:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 14:06:12,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332013433] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:06:12,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1768157007] [2022-12-14 14:06:12,342 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2022-12-14 14:06:12,343 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:06:12,343 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:06:12,343 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:06:12,343 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:06:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-12-14 14:06:12,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-12-14 14:06:12,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:12,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 253 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 379 [2022-12-14 14:06:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 53 [2022-12-14 14:06:13,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-12-14 14:06:13,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-12-14 14:06:13,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 14:06:13,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:06:13,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-14 14:06:13,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:13,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 14:06:14,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:06:14,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:06:14,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:14,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:14,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:14,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-12-14 14:06:14,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:14,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:14,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-12-14 14:06:14,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:06:14,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:14,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:14,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:06:14,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:06:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:14,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:14,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:14,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:14,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:15,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-12-14 14:06:15,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-12-14 14:06:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:15,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:15,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:15,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:06:15,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:15,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:06:15,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:15,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:06:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:15,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:15,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:15,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:16,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-12-14 14:06:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:16,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:16,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:16,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 14:06:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:16,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 14:06:16,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 14:06:16,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:06:16,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:06:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:16,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-12-14 14:06:16,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:06:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:06:17,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2007 treesize of output 1980 [2022-12-14 14:06:18,046 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:06:18,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1999 treesize of output 2004 [2022-12-14 14:06:18,180 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 14:06:18,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1995 treesize of output 2000 [2022-12-14 14:06:27,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:06:27,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 14:06:27,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:06:27,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:06:27,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 14:06:27,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 14:06:27,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-12-14 14:06:28,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-12-14 14:06:28,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-12-14 14:06:29,079 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 165 for LOIs [2022-12-14 14:06:29,089 INFO L197 IcfgInterpreter]: Interpreting procedure spin_lock_init with input of size 770 for LOIs [2022-12-14 14:06:29,643 INFO L197 IcfgInterpreter]: Interpreting procedure zf_readw with input of size 163 for LOIs [2022-12-14 14:06:29,862 INFO L197 IcfgInterpreter]: Interpreting procedure outb with input of size 166 for LOIs [2022-12-14 14:06:29,872 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:06:35,342 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 760 DAG size of output: 664 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:06:40,659 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 770 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:06:48,715 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 795 DAG size of output: 699 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:06:56,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1768157007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:06:56,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:06:56,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 5, 5] total 28 [2022-12-14 14:06:56,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312220771] [2022-12-14 14:06:56,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:06:56,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 14:06:56,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:06:56,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 14:06:56,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2022-12-14 14:06:56,082 INFO L87 Difference]: Start difference. First operand 349 states and 465 transitions. Second operand has 20 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 13 states have internal predecessors, (26), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-14 14:07:28,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:07:28,176 INFO L93 Difference]: Finished difference Result 351 states and 467 transitions. [2022-12-14 14:07:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 14:07:28,177 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 13 states have internal predecessors, (26), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 43 [2022-12-14 14:07:28,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:07:28,177 INFO L225 Difference]: With dead ends: 351 [2022-12-14 14:07:28,177 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 14:07:28,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 100 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 53.9s TimeCoverageRelationStatistics Valid=215, Invalid=1591, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 14:07:28,180 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 18 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:07:28,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 14:07:28,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 14:07:28,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 14:07:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:07:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 14:07:28,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-12-14 14:07:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:07:28,182 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 14:07:28,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 13 states have internal predecessors, (26), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-14 14:07:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 14:07:28,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 14:07:28,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-14 14:07:28,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-14 14:07:28,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-14 14:07:28,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-12-14 14:07:28,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-14 14:07:28,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-14 14:07:28,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-14 14:07:28,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-14 14:07:28,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-14 14:07:28,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-14 14:07:28,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-14 14:07:28,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-14 14:07:28,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:07:28,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 14:07:28,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 14:07:45,043 WARN L233 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 931 DAG size of output: 930 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-14 14:07:54,420 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 537 DAG size of output: 456 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-14 14:08:02,995 INFO L899 garLoopResultBuilder]: For program point spin_lock_initEXIT(lines 4153 4157) no Hoare annotation was computed. [2022-12-14 14:08:02,998 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4153 4157) the Hoare annotation is: (let ((.cse6 ((as const (Array Int Int)) 0))) (let ((.cse3 (select |old(#memory_$Pointer$.base)| |~#zf_miscdev~0.base|)) (.cse14 (store .cse6 |~#zf_fops~0.offset| 0)) (.cse15 (+ |~#zf_fops~0.offset| 4)) (.cse16 (+ |~#zf_fops~0.offset| 12)) (.cse17 (+ |~#zf_fops~0.offset| 24)) (.cse18 (+ 40 |~#zf_fops~0.offset|)) (.cse19 (+ |~#zf_fops~0.offset| 48)) (.cse0 (select |old(#memory_int)| |~#zf_port_lock~0.base|)) (.cse22 (select |old(#memory_$Pointer$.offset)| |~#fixed_cdev~0.base|)) (.cse12 (+ |~#zf_miscdev~0.offset| 4)) (.cse25 (select |old(#memory_int)| |~#zf_lock~0.base|)) (.cse8 (select |old(#memory_int)| 6)) (.cse26 (select |old(#memory_$Pointer$.offset)| |~#zf_miscdev~0.base|)) (.cse4 (+ |~#zf_miscdev~0.offset| 8)) (.cse9 (select |old(#memory_$Pointer$.base)| |~#zf_notifier~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#fixed_cdev~0.base|)) (.cse23 (+ 4 |~#fixed_cdev~0.offset|)) (.cse7 (+ 4 |~#zf_timer~0.offset|)) (.cse27 (select |old(#memory_int)| |~#fixed_cdev~0.base|)) (.cse28 (select |old(#memory_int)| 1)) (.cse24 (select |old(#memory_int)| |~#zf_timer~0.base|)) (.cse13 (select |old(#memory_$Pointer$.offset)| |~#zf_notifier~0.base|)) (.cse10 (+ 4 |~#zf_notifier~0.offset|)) (.cse21 (select |old(#memory_int)| |~#kernel_lock~0.base|)) (.cse5 (select |old(#memory_int)| 17)) (.cse20 (select |old(#memory_int)| 16)) (.cse11 (select |old(#memory_int)| 18)) (.cse2 (select |old(#memory_int)| 15))) (or (not (= (select .cse0 (+ |~#zf_port_lock~0.offset| 4)) 0)) (not (= (select .cse1 |~#fixed_cdev~0.offset|) 0)) (not (= (select |#length| 11) 43)) (not (= (select |#length| 6) 4)) (not (= |~#fixed_request_queue~0.offset| 0)) (not (= (select .cse2 5) 0)) (not (= (select |#valid| 23) 1)) (not (= (select |#length| 8) 18)) (not (= |~#zf_fops~0.base| (select .cse3 .cse4))) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 69 (select |#length| 13))) (not (= (select |#length| 22) 36)) (not (= (select .cse5 2) 73)) (not (= 40 (select |#length| 43))) (not (= |~#tasklet_registered~0.base| 41)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#cdev_registered~0.base|))) (not (= 44 (select |#length| 10))) (not (= |~#cdev_registered~0.base| 36)) (not (= (select .cse2 1) 69)) (not (= (select |#length| 27) 40)) (not (= 16 (select |#length| 31))) (not (= ~proc_root_driver~0.base 0)) (not (= (select (select |old(#memory_$Pointer$.base)| |~#zf_timer~0.base|) .cse7) 0)) (not (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (not (= (select .cse8 1) 80)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#registered_irq~0.base|))) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#shared_workqueue~0.base|))) (not (= (select |#valid| 40) 1)) (not (= (select .cse2 2) 83)) (not (= (select |#valid| 31) 1)) (not (= (select .cse9 .cse10) 0)) (not (= (select .cse11 3) 0)) (not (= 0 |~#fixed_cdev~0.offset|)) (not (= |~#global_tty_driver~0.offset| 0)) (not (= (select |#length| 28) 4)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#registered_pci_driver~0.base|))) (not (= 44 (select |#length| 4))) (not (= 14 (select .cse3 .cse12))) (not (= .cse6 (select |old(#memory_int)| |~#registered_pci_driver~0.base|))) (forall ((v_~bitwiseOr_127 Int)) (not (= (select |old(#memory_int)| |~#zf_info~0.base|) (store (store .cse6 |~#zf_info~0.offset| v_~bitwiseOr_127) (+ |~#zf_info~0.offset| 4) 1)))) (not (= (select |#valid| 35) 1)) (not (= |~#registered_pci_driver~0.base| 39)) (not (= .cse6 ~_ddv_module_param_nowayout~0)) (not (= |~#kernel_lock~0.offset| 0)) (not (= |#funAddr~zf_notify_sys.offset| (select .cse13 |~#zf_notifier~0.offset|))) (not (= (select |#length| 32) 100)) (not (= (select |#valid| 37) 1)) (not (= (select |#valid| 12) 1)) (not (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (not (= 77 (select .cse5 1))) (not (= 2 (select |#length| 1))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#cdev_registered~0.base|))) (not (= (select |#valid| 39) 1)) (not (= .cse6 (select |old(#memory_int)| |~#fixed_gendisk~0.base|))) (not (= (store (store (store (store (store .cse14 .cse15 |#funAddr~no_llseek.offset|) .cse16 |#funAddr~zf_write.offset|) .cse17 |#funAddr~zf_ioctl.offset|) .cse18 |#funAddr~zf_open.offset|) .cse19 |#funAddr~zf_close.offset|) (select |old(#memory_$Pointer$.offset)| |~#zf_fops~0.base|))) (not (= 71 (select .cse8 0))) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#fixed_gendisk~0.base|))) (not (= 9 (select |#length| 14))) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#genhd_registered~0.base|))) (not (= ~zf_expect_close~0 0)) (not (= (select .cse20 0) 83)) (not (= 4 (select |#length| 18))) (not (= ~ddv_ioport_request_len~0 0)) (not (= (select |#valid| 43) 1)) (not (= 1460 (select |#length| 38))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#genhd_registered~0.base|))) (not (= (select |#length| 33) 12)) (not (= 77 (select .cse20 1))) (not (= 0 |~#zf_notifier~0.offset|)) (not (= 6 (select |#length| 41))) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 34) 1)) (not (= (select (select |old(#memory_int)| |~#zf_notifier~0.base|) (+ 8 |~#zf_notifier~0.offset|)) 0)) (not (= 12 (select |#length| 34))) (not (= |~#zf_miscdev~0.base| 33)) (not (= 4 (select |#length| 16))) (not (= 43 |~#shared_workqueue~0.base|)) (not (< 0 |#StackHeapBarrier|)) (not (= (select (select |old(#memory_int)| |~#zf_is_open~0.base|) |~#zf_is_open~0.offset|) 0)) (not (= |~#kernel_lock~0.offset| |spin_lock_init_#in~lock.offset|)) (not (= (select |#length| 37) 1280)) (not (= (select |#valid| 32) 1)) (not (= |~#registered_pci_driver~0.offset| 0)) (not (= 76 (select ~_ddv_module_license~0 2))) (not (= 236 (select |#length| 39))) (not (= (select |#valid| 46) 1)) (not (= (select |#valid| 3) 1)) (not (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (not (= (select |#valid| 45) 1)) (not (= (select .cse21 |~#kernel_lock~0.offset|) 0)) (not (= ~_ddv_module_author~0 .cse6)) (not (= (select |#valid| 25) 1)) (not (= (select |#valid| 20) 1)) (not (= |~#registered_irq~0.offset| 0)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select .cse22 .cse23) 0)) (not (= |~#tasklet_registered~0.offset| 0)) (not (= (select |#valid| 16) 1)) (not (= |~#zf_notifier~0.base| 34)) (not (= 0 (select .cse24 |~#zf_timer~0.offset|))) (not (= (select |#length| 7) 75)) (not (= 64 (select |#length| 36))) (not (= (select .cse20 2) 73)) (not (= ~nowayout~0 0)) (not (= (select |#valid| 28) 1)) (not (= (select |#length| 29) 8)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#registered_pci_driver~0.base|))) (not (= (select .cse11 2) 73)) (not (= (select |#length| 3) 12)) (not (= 35 (select |#length| 24))) (not (= |~#zf_info~0.offset| 0)) (not (= 76 (select .cse8 2))) (not (= (select |#valid| 0) 0)) (not (= (select |#valid| 27) 1)) (not (= |~#zf_timer~0.base| 31)) (not (= 42 |~#timer_registered~0.base|)) (not (= (select |#valid| 44) 1)) (not (= (select |old(#memory_$Pointer$.base)| |~#zf_fops~0.base|) (store (store (store (store (store .cse14 .cse15 |#funAddr~no_llseek.base|) .cse16 |#funAddr~zf_write.base|) .cse17 |#funAddr~zf_ioctl.base|) .cse18 |#funAddr~zf_open.base|) .cse19 |#funAddr~zf_close.base|))) (not (= 31 (select |#length| 5))) (not (= 14 (select |#length| 23))) (not (= (select |#valid| 24) 1)) (not (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#registered_irq~0.base|))) (not (= 78 (select .cse5 0))) (not (= (select (select |old(#memory_int)| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0)) (not (= ~number_genhd_registered~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= (select |#valid| 19) 1)) (not (= (select |#length| 44) 8)) (not (= 200 (select |#length| 46))) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 18 (select |#length| 2))) (not (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (not (= (select .cse0 |~#zf_port_lock~0.offset|) 0)) (not (= |~#kernel_lock~0.base| |spin_lock_init_#in~lock.base|)) (not (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#global_tty_driver~0.base|))) (not (= 0 ~fixed_cdev_used~0)) (not (= (select .cse22 |~#fixed_cdev~0.offset|) 0)) (not (= |~#fixed_request_queue~0.base| 45)) (not (= (select .cse24 (+ 14 |~#zf_timer~0.offset|)) 0)) (not (= (select |#length| 19) 40)) (not (= (select |#valid| 8) 1)) (not (= (select (select |old(#memory_$Pointer$.base)| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= (select |#length| 35) 16)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|))) (not (= (select |#length| 15) 6)) (not (= |~#timer_registered~0.offset| 0)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0)) (not (= (select |#valid| 4) 1)) (not (= |~#zf_info~0.base| 27)) (not (= .cse6 (select |old(#memory_int)| |~#cdev_registered~0.base|))) (not (= 32 |~#zf_fops~0.base|)) (not (= 460 (select |#length| 45))) (not (= |#NULL.base| 0)) (not (= (select .cse25 |~#zf_lock~0.offset|) 0)) (not (= 28 |~#zf_is_open~0.base|)) (not (= .cse6 ~_ddv_module_param_action~0)) (not (= (select .cse26 .cse12) 0)) (not (= (select .cse25 (+ |~#zf_lock~0.offset| 4)) 0)) (not (= |~#genhd_registered~0.base| 38)) (not (= 8 (select |#length| 30))) (not (= (select |#length| 17) 4)) (not (= |~#registered_irq~0.base| 40)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#global_tty_driver~0.base|))) (not (= (select |#length| 21) 31)) (not (= 30 |~#zf_port_lock~0.base|)) (not (= ~zf_action~0 2048)) (not (= ~jiffies~0 0)) (not (= (select |#valid| 29) 1)) (not (= ~number_tasklet_registered~0 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 41) 1)) (not (= .cse6 (select |old(#memory_int)| |~#global_tty_driver~0.base|))) (not (= (select (select |old(#memory_$Pointer$.base)| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0)) (not (= ~number_fixed_genhd_used~0 0)) (not (= (select .cse8 3) 0)) (not (= |~#genhd_registered~0.offset| 0)) (not (= ~action~0 0)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#fixed_request_queue~0.base|))) (not (= (select .cse27 (+ 12 |~#fixed_cdev~0.offset|)) 0)) (not (= (select |#valid| 14) 1)) (not (= ~ddv_ioport_request_start~0 0)) (not (= (select ~_ddv_module_license~0 1) 80)) (not (= .cse6 ~_ddv_module_description~0)) (not (= 0 |~#cdev_registered~0.offset|)) (not (= (select |#valid| 13) 1)) (not (= (select |#valid| 36) 1)) (not (= |~#fixed_gendisk~0.base| 37)) (not (= (select |#length| 9) 73)) (not (= (select |#valid| 38) 1)) (not (= (select ~_ddv_module_license~0 3) 0)) (not (= (select .cse26 .cse4) |~#zf_fops~0.offset|)) (not (= (select |#valid| 42) 1)) (not (= 22 (select |#length| 26))) (not (= |~#zf_lock~0.base| 29)) (not (= (select .cse9 |~#zf_notifier~0.offset|) |#funAddr~zf_notify_sys.base|)) (not (= |~#zf_is_open~0.offset| 0)) (not (= (select .cse28 0) 48)) (not (= (select |#valid| 33) 1)) (not (= |~#zf_lock~0.offset| 0)) (not (= |~#fixed_cdev~0.base| 35)) (not (= (select |#valid| 2) 1)) (not (= ~number_request_queue_used~0 0)) (not (= (select .cse2 3) 69)) (not (= |~#kernel_lock~0.base| 44)) (not (= ~proc_root_driver~0.offset 0)) (not (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (not (= (select .cse1 .cse23) 0)) (not (= 82 (select .cse2 0))) (not (= |~#zf_fops~0.offset| 0)) (not (= 67 (select .cse11 1))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#shared_workqueue~0.base|))) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#zf_timer~0.base|) .cse7) 0)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#fixed_gendisk~0.base|))) (not (= (select |#length| 12) 39)) (not (= (select |#length| 42) 4)) (not (= (select .cse27 (+ 8 |~#fixed_cdev~0.offset|)) 0)) (not (= (select |#valid| 30) 1)) (not (= ~number_timer_registered~0 0)) (not (= (select |#length| 20) 58)) (not (= |~#zf_miscdev~0.offset| 0)) (not (= ~current_execution_context~0 1)) (not (= (select .cse28 1) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select |#length| 25))) (not (= (select .cse24 (+ 8 |~#zf_timer~0.offset|)) 0)) (not (= (select |#valid| 9) 1)) (not (= 128 (select |#length| 40))) (not (= |~#fixed_gendisk~0.offset| 0)) (not (= (select .cse24 (+ 12 |~#zf_timer~0.offset|)) 0)) (not (= 0 |~#zf_timer~0.offset|)) (not (= .cse6 (select |old(#memory_int)| |~#fixed_request_queue~0.base|))) (not (= (select .cse13 .cse10) 0)) (not (= 71 (select ~_ddv_module_license~0 0))) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#fixed_request_queue~0.base|))) (not (= (select .cse21 (+ |~#kernel_lock~0.offset| 4)) 0)) (not (= |~#shared_workqueue~0.offset| 0)) (not (= (select .cse5 3) 0)) (not (= ~next_heartbeat~0 0)) (not (= (select |#valid| 18) 1)) (not (= |~#global_tty_driver~0.base| 46)) (not (= |~#zf_port_lock~0.offset| 0)) (not (= (select (select |old(#memory_int)| |~#zf_miscdev~0.base|) |~#zf_miscdev~0.offset|) 130)) (not (= (select .cse20 3) 0)) (not (= (select .cse11 0) 83)) (not (= (select |old(#memory_int)| |~#genhd_registered~0.base|) .cse6)) (not (= (select .cse2 4) 84))))) [2022-12-14 14:08:02,998 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4480 4483) the Hoare annotation is: true [2022-12-14 14:08:02,998 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 4480 4483) no Hoare annotation was computed. [2022-12-14 14:08:02,998 INFO L899 garLoopResultBuilder]: For program point misc_deregisterEXIT(line 4524) no Hoare annotation was computed. [2022-12-14 14:08:02,999 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 4524) the Hoare annotation is: true [2022-12-14 14:08:02,999 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-12-14 14:08:02,999 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 1596 1619) no Hoare annotation was computed. [2022-12-14 14:08:02,999 INFO L902 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: true [2022-12-14 14:08:02,999 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1589 1620) no Hoare annotation was computed. [2022-12-14 14:08:02,999 INFO L902 garLoopResultBuilder]: At program point L1594-1(line 1594) the Hoare annotation is: true [2022-12-14 14:08:02,999 INFO L899 garLoopResultBuilder]: For program point L1594-2(line 1594) no Hoare annotation was computed. [2022-12-14 14:08:02,999 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-12-14 14:08:02,999 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1589 1620) the Hoare annotation is: true [2022-12-14 14:08:02,999 INFO L899 garLoopResultBuilder]: For program point zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-14 14:08:02,999 INFO L902 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: true [2022-12-14 14:08:02,999 INFO L902 garLoopResultBuilder]: At program point L1605-1(line 1605) the Hoare annotation is: true [2022-12-14 14:08:02,999 INFO L902 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: true [2022-12-14 14:08:02,999 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-12-14 14:08:03,000 INFO L902 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: true [2022-12-14 14:08:03,000 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-12-14 14:08:03,000 INFO L902 garLoopResultBuilder]: At program point L1612-1(line 1612) the Hoare annotation is: true [2022-12-14 14:08:03,000 INFO L899 garLoopResultBuilder]: For program point zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-14 14:08:03,000 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2022-12-14 14:08:03,000 INFO L899 garLoopResultBuilder]: For program point zf_pingEXIT(lines 1589 1620) no Hoare annotation was computed. [2022-12-14 14:08:03,000 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-12-14 14:08:03,000 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-14 14:08:03,000 INFO L902 garLoopResultBuilder]: At program point assert_context_processFINAL(lines 21 23) the Hoare annotation is: true [2022-12-14 14:08:03,000 INFO L899 garLoopResultBuilder]: For program point assert_context_processEXIT(lines 21 23) no Hoare annotation was computed. [2022-12-14 14:08:03,000 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1467 1471) the Hoare annotation is: true [2022-12-14 14:08:03,000 INFO L899 garLoopResultBuilder]: For program point zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-12-14 14:08:03,004 INFO L895 garLoopResultBuilder]: At program point L1469(line 1469) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0)) (.cse1 (select |#memory_int| |~#kernel_lock~0.base|))) (or (not (= (select |#length| 11) 43)) (not (= (select |#length| 6) 4)) (not (= |~#fixed_request_queue~0.offset| 0)) (not (= (select |#valid| 23) 1)) (not (= (select |#length| 8) 18)) (not (= 69 (select |#length| 13))) (not (= (select |#length| 22) 36)) (not (= 40 (select |#length| 43))) (not (= |~#tasklet_registered~0.base| 41)) (not (= 44 (select |#length| 10))) (not (= |~#cdev_registered~0.base| 36)) (not (= (select |#length| 27) 40)) (not (= 16 (select |#length| 31))) (not (= ~proc_root_driver~0.base 0)) (not (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#valid| 40) 1)) (not (= (select |#valid| 31) 1)) (not (= 2 |zf_readw_#in~port#1|)) (not (= 0 |~#fixed_cdev~0.offset|)) (not (= |~#global_tty_driver~0.offset| 0)) (not (= (select |#length| 28) 4)) (not (= 44 (select |#length| 4))) (not (= (select |#valid| 35) 1)) (not (= |~#registered_pci_driver~0.base| 39)) (not (= .cse0 ~_ddv_module_param_nowayout~0)) (not (= |~#kernel_lock~0.offset| 0)) (not (= (select |#length| 32) 100)) (not (= (select |#valid| 37) 1)) (not (= (select |#valid| 12) 1)) (not (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (not (= 2 (select |#length| 1))) (not (= (select |#valid| 39) 1)) (not (= 9 (select |#length| 14))) (not (= ~zf_expect_close~0 0)) (not (= 4 (select |#length| 18))) (not (= ~ddv_ioport_request_len~0 0)) (not (= (select |#valid| 43) 1)) (not (= 1460 (select |#length| 38))) (not (= (select |#length| 33) 12)) (not (= 0 |~#zf_notifier~0.offset|)) (not (= 6 (select |#length| 41))) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 34) 1)) (not (= 12 (select |#length| 34))) (not (= |~#zf_miscdev~0.base| 33)) (not (= 4 (select |#length| 16))) (not (= 43 |~#shared_workqueue~0.base|)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 37) 1280)) (not (= (select |#valid| 32) 1)) (not (= |~#registered_pci_driver~0.offset| 0)) (not (= 76 (select ~_ddv_module_license~0 2))) (not (= 236 (select |#length| 39))) (not (= (select |#valid| 46) 1)) (not (= (select |#valid| 3) 1)) (not (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (not (= (select |#valid| 45) 1)) (not (= ~_ddv_module_author~0 .cse0)) (not (= (select |#valid| 25) 1)) (not (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= (select |#valid| 20) 1)) (not (= |~#registered_irq~0.offset| 0)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= |~#tasklet_registered~0.offset| 0)) (not (= (select |#valid| 16) 1)) (not (= |~#zf_notifier~0.base| 34)) (not (= (select |#length| 7) 75)) (not (= 64 (select |#length| 36))) (not (= ~nowayout~0 0)) (not (= (select |#valid| 28) 1)) (not (= (select |#length| 29) 8)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 35 (select |#length| 24))) (not (= |~#zf_info~0.offset| 0)) (not (= (select |#valid| 0) 0)) (not (= (select |#valid| 27) 1)) (not (= |~#zf_timer~0.base| 31)) (not (= 42 |~#timer_registered~0.base|)) (not (= (select |#valid| 44) 1)) (not (= 31 (select |#length| 5))) (not (= 14 (select |#length| 23))) (not (= (select |#valid| 24) 1)) (not (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~number_genhd_registered~0 0)) (not (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0)) (not (= ~number_cdev_registered~0 0)) (not (= (select |#valid| 19) 1)) (not (= (select |#length| 44) 8)) (not (= 200 (select |#length| 46))) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 18 (select |#length| 2))) (not (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (not (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (not (= 0 ~fixed_cdev_used~0)) (not (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= |~#fixed_request_queue~0.base| 45)) (not (= (select |#length| 19) 40)) (not (= (select |#valid| 8) 1)) (not (= (select |#length| 35) 16)) (not (= (select |#length| 15) 6)) (not (= |~#timer_registered~0.offset| 0)) (not (= (select |#valid| 4) 1)) (not (= |~#zf_info~0.base| 27)) (not (= 32 |~#zf_fops~0.base|)) (not (= 460 (select |#length| 45))) (not (= |#NULL.base| 0)) (not (= 28 |~#zf_is_open~0.base|)) (not (= .cse0 ~_ddv_module_param_action~0)) (not (= |~#genhd_registered~0.base| 38)) (not (= 8 (select |#length| 30))) (not (= (select |#length| 17) 4)) (not (= |~#registered_irq~0.base| 40)) (not (= (select |#length| 21) 31)) (not (= 30 |~#zf_port_lock~0.base|)) (not (= ~zf_action~0 2048)) (not (= ~jiffies~0 0)) (not (= (select |#valid| 29) 1)) (not (= ~number_tasklet_registered~0 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 41) 1)) (not (= ~number_fixed_genhd_used~0 0)) (not (= |~#genhd_registered~0.offset| 0)) (not (= ~action~0 0)) (not (= (select |#valid| 14) 1)) (not (= ~ddv_ioport_request_start~0 0)) (not (= (select ~_ddv_module_license~0 1) 80)) (not (= .cse0 ~_ddv_module_description~0)) (not (= 0 |~#cdev_registered~0.offset|)) (not (= (select |#valid| 13) 1)) (not (= (select |#valid| 36) 1)) (not (= |~#fixed_gendisk~0.base| 37)) (not (= (select |#length| 9) 73)) (not (= (select |#valid| 38) 1)) (not (= (select ~_ddv_module_license~0 3) 0)) (not (= (select |#valid| 42) 1)) (not (= 22 (select |#length| 26))) (not (= |~#zf_lock~0.base| 29)) (not (= |~#zf_is_open~0.offset| 0)) (not (= (select |#valid| 33) 1)) (not (= |~#zf_lock~0.offset| 0)) (not (= |~#fixed_cdev~0.base| 35)) (not (= (select |#valid| 2) 1)) (not (= ~number_request_queue_used~0 0)) (not (= |~#kernel_lock~0.base| 44)) (not (= ~proc_root_driver~0.offset 0)) (not (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (not (= |~#zf_fops~0.offset| 0)) (not (= (select |#length| 12) 39)) (not (= (select |#length| 42) 4)) (not (= (select |#valid| 30) 1)) (not (= ~number_timer_registered~0 0)) (not (= (select |#length| 20) 58)) (not (= |~#zf_miscdev~0.offset| 0)) (not (= ~current_execution_context~0 1)) (not (= (select |#valid| 17) 1)) (not (= 44 (select |#length| 25))) (not (= (select |#valid| 9) 1)) (not (= 128 (select |#length| 40))) (not (= |~#fixed_gendisk~0.offset| 0)) (not (= 0 |~#zf_timer~0.offset|)) (= |zf_readw_#in~port#1| |zf_readw_~port#1|) (not (= 71 (select ~_ddv_module_license~0 0))) (not (= |~#shared_workqueue~0.offset| 0)) (not (= (select .cse1 |~#kernel_lock~0.offset|) 1)) (not (= ~next_heartbeat~0 0)) (not (= (select |#valid| 18) 1)) (not (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0)) (not (= |~#global_tty_driver~0.base| 46)) (not (= |~#zf_port_lock~0.offset| 0)))) [2022-12-14 14:08:03,004 INFO L899 garLoopResultBuilder]: For program point L1469-1(line 1469) no Hoare annotation was computed. [2022-12-14 14:08:03,004 INFO L899 garLoopResultBuilder]: For program point L3963-1(line 3963) no Hoare annotation was computed. [2022-12-14 14:08:03,004 INFO L899 garLoopResultBuilder]: For program point L3963(line 3963) no Hoare annotation was computed. [2022-12-14 14:08:03,004 INFO L899 garLoopResultBuilder]: For program point L3963-2(line 3963) no Hoare annotation was computed. [2022-12-14 14:08:03,006 INFO L895 garLoopResultBuilder]: At program point L3963-4(line 3963) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0)) (.cse1 (select |#memory_int| |~#kernel_lock~0.base|))) (or (not (= (select |#length| 11) 43)) (not (= (select |#length| 6) 4)) (not (= |~#fixed_request_queue~0.offset| 0)) (not (= (select |#valid| 23) 1)) (not (= (select |#length| 8) 18)) (not (= 69 (select |#length| 13))) (not (= (select |#length| 22) 36)) (not (= 40 (select |#length| 43))) (not (= |~#tasklet_registered~0.base| 41)) (not (= 44 (select |#length| 10))) (not (= |~#cdev_registered~0.base| 36)) (not (= (select |#length| 27) 40)) (not (= 16 (select |#length| 31))) (not (= ~proc_root_driver~0.base 0)) (not (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#valid| 40) 1)) (not (= (select |#valid| 31) 1)) (not (= 2 |zf_readw_#in~port#1|)) (not (= 0 |~#fixed_cdev~0.offset|)) (not (= |~#global_tty_driver~0.offset| 0)) (not (= (select |#length| 28) 4)) (not (= 44 (select |#length| 4))) (not (= (select |#valid| 35) 1)) (not (= |~#registered_pci_driver~0.base| 39)) (not (= .cse0 ~_ddv_module_param_nowayout~0)) (not (= |~#kernel_lock~0.offset| 0)) (not (= (select |#length| 32) 100)) (not (= (select |#valid| 37) 1)) (not (= (select |#valid| 12) 1)) (not (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (not (= 2 (select |#length| 1))) (not (= (select |#valid| 39) 1)) (not (= 9 (select |#length| 14))) (not (= ~zf_expect_close~0 0)) (not (= 4 (select |#length| 18))) (not (= ~ddv_ioport_request_len~0 0)) (not (= (select |#valid| 43) 1)) (not (= 1460 (select |#length| 38))) (not (= (select |#length| 33) 12)) (not (= 0 |~#zf_notifier~0.offset|)) (not (= 6 (select |#length| 41))) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 34) 1)) (not (= 12 (select |#length| 34))) (not (= |~#zf_miscdev~0.base| 33)) (not (= 4 (select |#length| 16))) (not (= 43 |~#shared_workqueue~0.base|)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 37) 1280)) (not (= (select |#valid| 32) 1)) (not (= |~#registered_pci_driver~0.offset| 0)) (not (= 76 (select ~_ddv_module_license~0 2))) (not (= 236 (select |#length| 39))) (not (= (select |#valid| 46) 1)) (not (= (select |#valid| 3) 1)) (not (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (not (= (select |#valid| 45) 1)) (not (= ~_ddv_module_author~0 .cse0)) (not (= (select |#valid| 25) 1)) (not (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= (select |#valid| 20) 1)) (not (= |~#registered_irq~0.offset| 0)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= |~#tasklet_registered~0.offset| 0)) (not (= (select |#valid| 16) 1)) (not (= |~#zf_notifier~0.base| 34)) (not (= (select |#length| 7) 75)) (not (= 64 (select |#length| 36))) (not (= ~nowayout~0 0)) (not (= (select |#valid| 28) 1)) (not (= (select |#length| 29) 8)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 35 (select |#length| 24))) (not (= |~#zf_info~0.offset| 0)) (not (= (select |#valid| 0) 0)) (not (= (select |#valid| 27) 1)) (not (= |~#zf_timer~0.base| 31)) (not (= 42 |~#timer_registered~0.base|)) (not (= (select |#valid| 44) 1)) (not (= 31 (select |#length| 5))) (not (= 14 (select |#length| 23))) (not (= (select |#valid| 24) 1)) (not (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~number_genhd_registered~0 0)) (not (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0)) (not (= ~number_cdev_registered~0 0)) (not (= (select |#valid| 19) 1)) (not (= (select |#length| 44) 8)) (not (= 200 (select |#length| 46))) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 18 (select |#length| 2))) (not (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (not (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (not (= 0 ~fixed_cdev_used~0)) (not (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= |~#fixed_request_queue~0.base| 45)) (and (= |zf_readw_inw_~port#1| |zf_readw_inw_#in~port#1|) (= 538 |zf_readw_inw_#in~port#1|) (not |zf_readw_inw_#t~short740#1|) (= |zf_readw_#in~port#1| |zf_readw_~port#1|)) (not (= (select |#length| 19) 40)) (not (= (select |#valid| 8) 1)) (not (= (select |#length| 35) 16)) (not (= (select |#length| 15) 6)) (not (= |~#timer_registered~0.offset| 0)) (not (= (select |#valid| 4) 1)) (not (= |~#zf_info~0.base| 27)) (not (= 32 |~#zf_fops~0.base|)) (not (= 460 (select |#length| 45))) (not (= |#NULL.base| 0)) (not (= 28 |~#zf_is_open~0.base|)) (not (= .cse0 ~_ddv_module_param_action~0)) (not (= |~#genhd_registered~0.base| 38)) (not (= 8 (select |#length| 30))) (not (= (select |#length| 17) 4)) (not (= |~#registered_irq~0.base| 40)) (not (= (select |#length| 21) 31)) (not (= 30 |~#zf_port_lock~0.base|)) (not (= ~zf_action~0 2048)) (not (= ~jiffies~0 0)) (not (= (select |#valid| 29) 1)) (not (= ~number_tasklet_registered~0 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 41) 1)) (not (= ~number_fixed_genhd_used~0 0)) (not (= |~#genhd_registered~0.offset| 0)) (not (= ~action~0 0)) (not (= (select |#valid| 14) 1)) (not (= ~ddv_ioport_request_start~0 0)) (not (= (select ~_ddv_module_license~0 1) 80)) (not (= .cse0 ~_ddv_module_description~0)) (not (= 0 |~#cdev_registered~0.offset|)) (not (= (select |#valid| 13) 1)) (not (= (select |#valid| 36) 1)) (not (= |~#fixed_gendisk~0.base| 37)) (not (= (select |#length| 9) 73)) (not (= (select |#valid| 38) 1)) (not (= (select ~_ddv_module_license~0 3) 0)) (not (= (select |#valid| 42) 1)) (not (= 22 (select |#length| 26))) (not (= |~#zf_lock~0.base| 29)) (not (= |~#zf_is_open~0.offset| 0)) (not (= (select |#valid| 33) 1)) (not (= |~#zf_lock~0.offset| 0)) (not (= |~#fixed_cdev~0.base| 35)) (not (= (select |#valid| 2) 1)) (not (= ~number_request_queue_used~0 0)) (not (= |~#kernel_lock~0.base| 44)) (not (= ~proc_root_driver~0.offset 0)) (not (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (not (= |~#zf_fops~0.offset| 0)) (not (= (select |#length| 12) 39)) (not (= (select |#length| 42) 4)) (not (= (select |#valid| 30) 1)) (not (= ~number_timer_registered~0 0)) (not (= (select |#length| 20) 58)) (not (= |~#zf_miscdev~0.offset| 0)) (not (= ~current_execution_context~0 1)) (not (= (select |#valid| 17) 1)) (not (= 44 (select |#length| 25))) (not (= (select |#valid| 9) 1)) (not (= 128 (select |#length| 40))) (not (= |~#fixed_gendisk~0.offset| 0)) (not (= 0 |~#zf_timer~0.offset|)) (not (= 71 (select ~_ddv_module_license~0 0))) (not (= |~#shared_workqueue~0.offset| 0)) (not (= (select .cse1 |~#kernel_lock~0.offset|) 1)) (not (= ~next_heartbeat~0 0)) (not (= (select |#valid| 18) 1)) (not (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0)) (not (= |~#global_tty_driver~0.base| 46)) (not (= |~#zf_port_lock~0.offset| 0)))) [2022-12-14 14:08:03,006 INFO L899 garLoopResultBuilder]: For program point zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-12-14 14:08:03,006 INFO L899 garLoopResultBuilder]: For program point zf_readwEXIT(lines 1467 1471) no Hoare annotation was computed. [2022-12-14 14:08:03,006 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L899 garLoopResultBuilder]: For program point L1553(line 1553) no Hoare annotation was computed. [2022-12-14 14:08:03,007 INFO L899 garLoopResultBuilder]: For program point zf_timer_offEXIT(lines 1537 1554) no Hoare annotation was computed. [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point L1551(line 1551) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point L1550(line 1550) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point L1550-1(line 1550) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L899 garLoopResultBuilder]: For program point L1547(line 1547) no Hoare annotation was computed. [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1537 1554) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point L1545(line 1545) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point L1545-1(line 1545) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point L1543(line 1543) the Hoare annotation is: true [2022-12-14 14:08:03,007 INFO L899 garLoopResultBuilder]: For program point L1543-1(line 1543) no Hoare annotation was computed. [2022-12-14 14:08:03,007 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4159 4169) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L899 garLoopResultBuilder]: For program point spin_lockEXIT(lines 4159 4169) no Hoare annotation was computed. [2022-12-14 14:08:03,008 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-12-14 14:08:03,008 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-14 14:08:03,008 INFO L902 garLoopResultBuilder]: At program point L1713(line 1713) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L899 garLoopResultBuilder]: For program point L1713-1(line 1713) no Hoare annotation was computed. [2022-12-14 14:08:03,008 INFO L902 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L902 garLoopResultBuilder]: At program point L1565-1(line 1565) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L902 garLoopResultBuilder]: At program point L1714(line 1714) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L899 garLoopResultBuilder]: For program point L1714-1(line 1714) no Hoare annotation was computed. [2022-12-14 14:08:03,008 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L902 garLoopResultBuilder]: At program point L1582-1(line 1582) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:08:03,008 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,009 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-14 14:08:03,009 INFO L902 garLoopResultBuilder]: At program point L1698-2(lines 1698 1699) the Hoare annotation is: true [2022-12-14 14:08:03,009 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-14 14:08:03,009 INFO L899 garLoopResultBuilder]: For program point L1525-1(lines 1524 1531) no Hoare annotation was computed. [2022-12-14 14:08:03,009 INFO L902 garLoopResultBuilder]: At program point zf_open_returnLabel#1(lines 1690 1706) the Hoare annotation is: true [2022-12-14 14:08:03,009 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-12-14 14:08:03,009 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-14 14:08:03,009 INFO L902 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: true [2022-12-14 14:08:03,009 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-12-14 14:08:03,009 INFO L902 garLoopResultBuilder]: At program point L1526(line 1526) the Hoare annotation is: true [2022-12-14 14:08:03,009 INFO L902 garLoopResultBuilder]: At program point L1526-1(line 1526) the Hoare annotation is: true [2022-12-14 14:08:03,009 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,009 INFO L899 garLoopResultBuilder]: For program point L4508-1(line 4508) no Hoare annotation was computed. [2022-12-14 14:08:03,010 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,010 INFO L902 garLoopResultBuilder]: At program point L1692(line 1692) the Hoare annotation is: true [2022-12-14 14:08:03,010 INFO L902 garLoopResultBuilder]: At program point L4508-2(line 4508) the Hoare annotation is: true [2022-12-14 14:08:03,010 INFO L899 garLoopResultBuilder]: For program point L1692-1(line 1692) no Hoare annotation was computed. [2022-12-14 14:08:03,010 INFO L899 garLoopResultBuilder]: For program point L4508(line 4508) no Hoare annotation was computed. [2022-12-14 14:08:03,010 INFO L899 garLoopResultBuilder]: For program point L1527(line 1527) no Hoare annotation was computed. [2022-12-14 14:08:03,010 INFO L902 garLoopResultBuilder]: At program point L1527-1(lines 1524 1531) the Hoare annotation is: true [2022-12-14 14:08:03,010 INFO L899 garLoopResultBuilder]: For program point L1717(line 1717) no Hoare annotation was computed. [2022-12-14 14:08:03,010 INFO L902 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: true [2022-12-14 14:08:03,010 INFO L902 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: true [2022-12-14 14:08:03,010 INFO L902 garLoopResultBuilder]: At program point L1577-1(line 1577) the Hoare annotation is: true [2022-12-14 14:08:03,010 INFO L899 garLoopResultBuilder]: For program point L4517-2(line 4517) no Hoare annotation was computed. [2022-12-14 14:08:03,010 INFO L899 garLoopResultBuilder]: For program point L1701(line 1701) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L899 garLoopResultBuilder]: For program point L4517(line 4517) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L899 garLoopResultBuilder]: For program point L4517-1(line 4517) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1696) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L902 garLoopResultBuilder]: At program point L1528(line 1528) the Hoare annotation is: true [2022-12-14 14:08:03,011 INFO L902 garLoopResultBuilder]: At program point L1528-1(line 1528) the Hoare annotation is: true [2022-12-14 14:08:03,011 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 1715) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L902 garLoopResultBuilder]: At program point L1710-1(lines 1710 1715) the Hoare annotation is: true [2022-12-14 14:08:03,011 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L902 garLoopResultBuilder]: At program point L1694(line 1694) the Hoare annotation is: true [2022-12-14 14:08:03,011 INFO L899 garLoopResultBuilder]: For program point L1694-1(line 1694) no Hoare annotation was computed. [2022-12-14 14:08:03,011 INFO L902 garLoopResultBuilder]: At program point L1719(line 1719) the Hoare annotation is: true [2022-12-14 14:08:03,011 INFO L902 garLoopResultBuilder]: At program point L1719-1(line 1719) the Hoare annotation is: true [2022-12-14 14:08:03,012 INFO L902 garLoopResultBuilder]: At program point L1711(line 1711) the Hoare annotation is: true [2022-12-14 14:08:03,012 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-14 14:08:03,012 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-12-14 14:08:03,012 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:08:03,012 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,012 INFO L899 garLoopResultBuilder]: For program point outwEXIT(lines 3968 3970) no Hoare annotation was computed. [2022-12-14 14:08:03,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3968 3970) the Hoare annotation is: true [2022-12-14 14:08:03,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3956 3958) the Hoare annotation is: true [2022-12-14 14:08:03,012 INFO L899 garLoopResultBuilder]: For program point outbEXIT(lines 3956 3958) no Hoare annotation was computed. [2022-12-14 14:08:03,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4256 4263) the Hoare annotation is: true [2022-12-14 14:08:03,012 INFO L899 garLoopResultBuilder]: For program point add_timerEXIT(lines 4256 4263) no Hoare annotation was computed. [2022-12-14 14:08:03,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4207 4214) the Hoare annotation is: true [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point spin_unlockEXIT(lines 4207 4214) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 11) the Hoare annotation is: true [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point release_regionEXIT(lines 3939 3949) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3939 3949) the Hoare annotation is: true [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginFINAL(line 4534) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginEXIT(line 4534) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 4216 4223) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4216 4223) the Hoare annotation is: true [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endEXIT(line 4535) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endFINAL(line 4535) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L899 garLoopResultBuilder]: For program point del_timerEXIT(lines 4271 4274) no Hoare annotation was computed. [2022-12-14 14:08:03,013 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4271 4274) the Hoare annotation is: true [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveEXIT(lines 4171 4181) no Hoare annotation was computed. [2022-12-14 14:08:03,014 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4171 4181) the Hoare annotation is: true [2022-12-14 14:08:03,014 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1506 1509) the Hoare annotation is: true [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point zf_get_controlEXIT(lines 1506 1509) no Hoare annotation was computed. [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point L1508(line 1508) no Hoare annotation was computed. [2022-12-14 14:08:03,014 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3925 3937) the Hoare annotation is: true [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point request_regionEXIT(lines 3925 3937) no Hoare annotation was computed. [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point L2843(line 2843) no Hoare annotation was computed. [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point L2777(line 2777) no Hoare annotation was computed. [2022-12-14 14:08:03,014 INFO L902 garLoopResultBuilder]: At program point call_ddv_returnLabel#1(lines 2723 2743) the Hoare annotation is: true [2022-12-14 14:08:03,014 INFO L895 garLoopResultBuilder]: At program point L4363(line 4363) the Hoare annotation is: false [2022-12-14 14:08:03,014 INFO L899 garLoopResultBuilder]: For program point L4363-1(line 4363) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L2778(lines 2778 2786) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L2811(line 2811) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2721) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L3505-1(line 3505) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L895 garLoopResultBuilder]: At program point L3505(line 3505) the Hoare annotation is: false [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L2812(lines 2812 2820) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L2713(line 2713) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L4365(lines 4365 4368) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L3110(lines 3110 3119) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L2846(line 2846) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L895 garLoopResultBuilder]: At program point L4366(line 4366) the Hoare annotation is: false [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L4366-1(line 4366) no Hoare annotation was computed. [2022-12-14 14:08:03,015 INFO L895 garLoopResultBuilder]: At program point L2748(lines 2748 2899) the Hoare annotation is: false [2022-12-14 14:08:03,015 INFO L899 garLoopResultBuilder]: For program point L2847-2(lines 2847 2855) no Hoare annotation was computed. [2022-12-14 14:08:03,016 INFO L895 garLoopResultBuilder]: At program point L2782(lines 2782 2785) the Hoare annotation is: false [2022-12-14 14:08:03,016 INFO L899 garLoopResultBuilder]: For program point L2782-1(lines 2782 2785) no Hoare annotation was computed. [2022-12-14 14:08:03,016 INFO L899 garLoopResultBuilder]: For program point L2683-1(lines 2683 2720) no Hoare annotation was computed. [2022-12-14 14:08:03,016 INFO L895 garLoopResultBuilder]: At program point L2683-3(lines 2683 2720) the Hoare annotation is: false [2022-12-14 14:08:03,016 INFO L895 garLoopResultBuilder]: At program point L2816(lines 2816 2819) the Hoare annotation is: false [2022-12-14 14:08:03,016 INFO L899 garLoopResultBuilder]: For program point L2849-1(lines 2849 2850) no Hoare annotation was computed. [2022-12-14 14:08:03,016 INFO L895 garLoopResultBuilder]: At program point L2849(lines 2849 2850) the Hoare annotation is: false [2022-12-14 14:08:03,016 INFO L899 garLoopResultBuilder]: For program point L2816-1(lines 2816 2819) no Hoare annotation was computed. [2022-12-14 14:08:03,016 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: false [2022-12-14 14:08:03,016 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-12-14 14:08:03,016 INFO L895 garLoopResultBuilder]: At program point L1793(line 1793) the Hoare annotation is: false [2022-12-14 14:08:03,016 INFO L895 garLoopResultBuilder]: At program point L1793-1(line 1793) the Hoare annotation is: false [2022-12-14 14:08:03,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L1794(line 1794) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L895 garLoopResultBuilder]: At program point L2686(lines 2686 2719) the Hoare annotation is: false [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3118) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L895 garLoopResultBuilder]: At program point L1828(lines 1775 1833) the Hoare annotation is: false [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L2687(line 2687) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: false [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L1830(line 1830) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 1801) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L2788(line 2788) no Hoare annotation was computed. [2022-12-14 14:08:03,017 INFO L895 garLoopResultBuilder]: At program point L1500(line 1500) the Hoare annotation is: false [2022-12-14 14:08:03,017 INFO L895 garLoopResultBuilder]: At program point L1500-1(line 1500) the Hoare annotation is: false [2022-12-14 14:08:03,017 INFO L899 garLoopResultBuilder]: For program point L1500-2(lines 1498 1501) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L895 garLoopResultBuilder]: At program point L1831(lines 1775 1833) the Hoare annotation is: false [2022-12-14 14:08:03,018 INFO L895 garLoopResultBuilder]: At program point L1798(lines 1798 1799) the Hoare annotation is: false [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L1798-1(lines 1798 1799) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L2823(line 2823) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L2791(line 2791) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L4245(lines 4245 4254) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L2792(lines 2792 2800) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L2759(lines 2759 2761) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L2826(line 2826) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4253) no Hoare annotation was computed. [2022-12-14 14:08:03,018 INFO L895 garLoopResultBuilder]: At program point L1803(line 1803) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L895 garLoopResultBuilder]: At program point L1803-1(lines 1803 1808) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L895 garLoopResultBuilder]: At program point L1804(lines 1804 1805) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L895 garLoopResultBuilder]: At program point L1771(line 1771) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L899 garLoopResultBuilder]: For program point L1804-1(lines 1804 1805) no Hoare annotation was computed. [2022-12-14 14:08:03,019 INFO L899 garLoopResultBuilder]: For program point L1771-1(line 1771) no Hoare annotation was computed. [2022-12-14 14:08:03,019 INFO L895 garLoopResultBuilder]: At program point L1838(line 1838) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L895 garLoopResultBuilder]: At program point L2796(lines 2796 2799) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L902 garLoopResultBuilder]: At program point L1838-1(line 1838) the Hoare annotation is: true [2022-12-14 14:08:03,019 INFO L899 garLoopResultBuilder]: For program point L2829(line 2829) no Hoare annotation was computed. [2022-12-14 14:08:03,019 INFO L895 garLoopResultBuilder]: At program point zf_init_no_reboot#1(lines 1775 1833) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2799) no Hoare annotation was computed. [2022-12-14 14:08:03,019 INFO L899 garLoopResultBuilder]: For program point L3094(lines 3094 3106) no Hoare annotation was computed. [2022-12-14 14:08:03,019 INFO L895 garLoopResultBuilder]: At program point L2764(line 2764) the Hoare annotation is: false [2022-12-14 14:08:03,019 INFO L899 garLoopResultBuilder]: For program point L2698(line 2698) no Hoare annotation was computed. [2022-12-14 14:08:03,020 INFO L899 garLoopResultBuilder]: For program point L2764-1(line 2764) no Hoare annotation was computed. [2022-12-14 14:08:03,020 INFO L902 garLoopResultBuilder]: At program point L1840(line 1840) the Hoare annotation is: true [2022-12-14 14:08:03,020 INFO L899 garLoopResultBuilder]: For program point L4252-1(line 4252) no Hoare annotation was computed. [2022-12-14 14:08:03,020 INFO L899 garLoopResultBuilder]: For program point L4252(line 4252) no Hoare annotation was computed. [2022-12-14 14:08:03,020 INFO L899 garLoopResultBuilder]: For program point L2832(line 2832) no Hoare annotation was computed. [2022-12-14 14:08:03,020 INFO L895 garLoopResultBuilder]: At program point L2766(lines 2766 2898) the Hoare annotation is: false [2022-12-14 14:08:03,020 INFO L899 garLoopResultBuilder]: For program point L2733(lines 2733 2735) no Hoare annotation was computed. [2022-12-14 14:08:03,020 INFO L899 garLoopResultBuilder]: For program point L2667-1(line 2667) no Hoare annotation was computed. [2022-12-14 14:08:03,025 INFO L895 garLoopResultBuilder]: At program point L2667(line 2667) the Hoare annotation is: (let ((.cse1 ((as const (Array Int Int)) 0))) (let ((.cse0 (select |#memory_$Pointer$.offset| |~#fixed_cdev~0.base|)) (.cse6 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse17 (select |#memory_$Pointer$.base| |~#zf_miscdev~0.base|)) (.cse21 (store .cse1 |~#zf_fops~0.offset| 0)) (.cse22 (+ |~#zf_fops~0.offset| 4)) (.cse23 (+ |~#zf_fops~0.offset| 12)) (.cse24 (+ |~#zf_fops~0.offset| 24)) (.cse25 (+ 40 |~#zf_fops~0.offset|)) (.cse26 (+ |~#zf_fops~0.offset| 48)) (.cse18 (+ |~#zf_miscdev~0.offset| 8)) (.cse14 (select |#memory_int| 15)) (.cse5 (select |#memory_int| |~#fixed_cdev~0.base|)) (.cse2 (select |#memory_int| |~#zf_lock~0.base|)) (.cse15 (select |#memory_int| 17)) (.cse20 (select |#memory_$Pointer$.base| |~#fixed_cdev~0.base|)) (.cse7 (+ 4 |~#fixed_cdev~0.offset|)) (.cse9 (select |#memory_int| 18)) (.cse13 (select |#memory_int| 6)) (.cse27 (select |#memory_$Pointer$.offset| |~#zf_miscdev~0.base|)) (.cse19 (+ |~#zf_miscdev~0.offset| 4)) (.cse4 (select |#memory_int| |~#zf_port_lock~0.base|)) (.cse28 (select |#memory_int| 1)) (.cse12 (select |#memory_int| 16)) (.cse16 (select |#memory_$Pointer$.base| |~#zf_notifier~0.base|)) (.cse11 (+ 4 |~#zf_notifier~0.offset|)) (.cse3 (select |#memory_int| |~#zf_timer~0.base|)) (.cse10 (select |#memory_$Pointer$.offset| |~#zf_notifier~0.base|)) (.cse8 (+ 4 |~#zf_timer~0.offset|))) (and (= (select .cse0 |~#fixed_cdev~0.offset|) 0) (= 64 (select |#length| 36)) (= .cse1 (select |#memory_int| |~#fixed_gendisk~0.base|)) (= 12 (select |#length| 34)) (= |~#zf_fops~0.offset| 0) (= 0 ~fixed_cdev_used~0) (= |~#shared_workqueue~0.offset| 0) (= (select |#length| 37) 1280) (= .cse1 (select |#memory_int| |~#global_tty_driver~0.base|)) (= (select .cse2 |~#zf_lock~0.offset|) 0) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= |~#registered_pci_driver~0.offset| 0) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= (select (select |#memory_$Pointer$.offset| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0) (= (select .cse3 |~#zf_timer~0.offset|) 0) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (= (select .cse4 |~#zf_port_lock~0.offset|) 0) (= (select .cse5 (+ 8 |~#fixed_cdev~0.offset|)) 0) (= ~number_request_queue_used~0 0) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select .cse6 |~#kernel_lock~0.offset|) 0) (= (select |#valid| 26) 1) (= ~zf_action~0 2048) (= (select |#length| 32) 100) (= |~#timer_registered~0.offset| 0) (= (select .cse0 .cse7) 0) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (= |~#global_tty_driver~0.offset| 0) (= .cse1 (select |#memory_int| |~#cdev_registered~0.base|)) (= .cse1 (select |#memory_int| |~#fixed_request_queue~0.base|)) (= |~#zf_timer~0.base| 31) (= .cse1 (select |#memory_$Pointer$.base| |~#fixed_gendisk~0.base|)) (= 76 (select ~_ddv_module_license~0 2)) (= (select (select |#memory_$Pointer$.offset| |~#zf_timer~0.base|) .cse8) 0) (= (select |#valid| 38) 1) (= 43 |~#shared_workqueue~0.base|) (= .cse1 ~_ddv_module_param_nowayout~0) (= ~ddv_ioport_request_len~0 0) (= (select |#memory_$Pointer$.base| |~#registered_pci_driver~0.base|) .cse1) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse9 2) 73) (= .cse1 (select |#memory_$Pointer$.base| |~#cdev_registered~0.base|)) (= .cse1 (select |#memory_int| |~#genhd_registered~0.base|)) (= (select .cse6 (+ |~#kernel_lock~0.offset| 4)) 0) (exists ((v_~bitwiseOr_127 Int)) (= (store (store .cse1 |~#zf_info~0.offset| v_~bitwiseOr_127) (+ |~#zf_info~0.offset| 4) 1) (select |#memory_int| |~#zf_info~0.base|))) (= (select (select |#memory_$Pointer$.base| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (= (select |#valid| 11) 1) (= (select .cse10 .cse11) 0) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (= |~#zf_notifier~0.base| 34) (= 77 (select .cse12 1)) (= ~current_execution_context~0 1) (= 76 (select .cse13 2)) (= ~ddv_ioport_request_start~0 0) (= (select |#length| 28) 4) (= 128 (select |#length| 40)) (= (select .cse14 0) 82) (= .cse1 (select |#memory_$Pointer$.base| |~#genhd_registered~0.base|)) (= .cse1 ~_ddv_module_param_action~0) (= 78 (select .cse15 0)) (= ~proc_root_driver~0.offset 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#genhd_registered~0.base|)) (= ~_ddv_module_author~0 .cse1) (= ~proc_root_driver~0.base 0) (= |~#registered_pci_driver~0.base| 39) (= |~#zf_is_open~0.offset| 0) (= 8 (select |#length| 30)) (= 42 |~#timer_registered~0.base|) (= 2 (select |#length| 1)) (= 0 |~#fixed_cdev~0.offset|) (= .cse1 (select |#memory_$Pointer$.base| |~#global_tty_driver~0.base|)) (= |#funAddr~zf_notify_sys.base| (select .cse16 |~#zf_notifier~0.offset|)) (= (select .cse17 .cse18) |~#zf_fops~0.base|) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= ~number_timer_registered~0 0) (= (select .cse14 2) 83) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (= (select |#valid| 7) 1) (= (select .cse12 0) 83) (= (select |#valid| 18) 1) (= |~#fixed_request_queue~0.base| 45) (= (select |#valid| 22) 1) (= .cse1 (select |#memory_$Pointer$.offset| |~#fixed_gendisk~0.base|)) (= .cse1 (select |#memory_$Pointer$.offset| |~#registered_pci_driver~0.base|)) (= 28 |~#zf_is_open~0.base|) (= (select .cse17 .cse19) 14) (= (select |#length| 20) 58) (= (select .cse9 3) 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#fixed_request_queue~0.base|)) (= (select .cse20 |~#fixed_cdev~0.offset|) 0) (= 236 (select |#length| 39)) (= |~#zf_lock~0.base| 29) (= (select |#valid| 24) 1) (= .cse1 ~_ddv_module_description~0) (= (select |#memory_$Pointer$.base| |~#zf_fops~0.base|) (store (store (store (store (store .cse21 .cse22 |#funAddr~no_llseek.base|) .cse23 |#funAddr~zf_write.base|) .cse24 |#funAddr~zf_ioctl.base|) .cse25 |#funAddr~zf_open.base|) .cse26 |#funAddr~zf_close.base|)) (= |~#kernel_lock~0.base| 44) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#memory_$Pointer$.offset| |~#zf_fops~0.base|) (store (store (store (store (store .cse21 .cse22 |#funAddr~no_llseek.offset|) .cse23 |#funAddr~zf_write.offset|) .cse24 |#funAddr~zf_ioctl.offset|) .cse25 |#funAddr~zf_open.offset|) .cse26 |#funAddr~zf_close.offset|)) (= (select |#valid| 44) 1) (= (select .cse14 3) 69) (= ~jiffies~0 0) (= (select .cse15 3) 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#registered_irq~0.base|)) (= (select .cse3 (+ 14 |~#zf_timer~0.offset|)) 0) (= (select .cse13 1) 80) (= |~#registered_irq~0.offset| 0) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= |~#zf_fops~0.offset| (select .cse27 .cse18)) (= (select ~_ddv_module_license~0 3) 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#shared_workqueue~0.base|)) (= 6 (select |#length| 41)) (= ~number_tasklet_registered~0 0) (= .cse1 (select |#memory_int| |~#registered_pci_driver~0.base|)) (= .cse1 (select |#memory_$Pointer$.offset| |~#global_tty_driver~0.base|)) (= (select |#valid| 39) 1) (= 84 (select .cse14 4)) (= (select |#valid| 28) 1) (= |~#zf_info~0.offset| 0) (= |~#kernel_lock~0.offset| 0) (= (select .cse12 2) 73) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= (select .cse14 5) 0) (= |~#tasklet_registered~0.offset| 0) (= (select .cse3 (+ 12 |~#zf_timer~0.offset|)) 0) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= (select .cse9 0) 83) (= 44 (select |#length| 10)) (= (select (select |#memory_int| |~#zf_miscdev~0.base|) |~#zf_miscdev~0.offset|) 130) (= ~zf_expect_close~0 0) (= 460 (select |#length| 45)) (= (select .cse15 2) 73) (= 16 (select |#length| 31)) (= 30 |~#zf_port_lock~0.base|) (= |~#zf_info~0.base| 27) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= (select .cse14 1) 69) (= 31 (select |#length| 5)) (= 32 |~#zf_fops~0.base|) (= |~#fixed_cdev~0.base| 35) (= (select |#valid| 21) 1) (= |~#zf_miscdev~0.offset| 0) (= |~#tasklet_registered~0.base| 41) (= (select .cse5 (+ 12 |~#fixed_cdev~0.offset|)) 0) (= |~#genhd_registered~0.base| 38) (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0) (= (select .cse2 (+ |~#zf_lock~0.offset| 4)) 0) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= 77 (select .cse15 1)) (= (select .cse13 0) 71) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~next_heartbeat~0 0) (= (select (select |#memory_int| |~#zf_notifier~0.base|) (+ 8 |~#zf_notifier~0.offset|)) 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select .cse20 .cse7) 0) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= 0 |~#cdev_registered~0.offset|) (= |#NULL.offset| 0) (= (select |#valid| 36) 1) (= ~nowayout~0 0) (= (select .cse28 0) 48) (= .cse1 (select |#memory_$Pointer$.base| |~#fixed_request_queue~0.base|)) (= (select |#valid| 23) 1) (= |~#zf_miscdev~0.base| 33) (= 69 (select |#length| 13)) (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= |~#global_tty_driver~0.base| 46) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= |~#zf_lock~0.offset| 0) (= (select |#valid| 19) 1) (= .cse1 (select |#memory_$Pointer$.base| |~#shared_workqueue~0.base|)) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= 67 (select .cse9 1)) (= (select .cse13 3) 0) (= (select .cse27 .cse19) 0) (= (select |#valid| 16) 1) (= |~#zf_port_lock~0.offset| 0) (= (select .cse4 (+ |~#zf_port_lock~0.offset| 4)) 0) (= (select |#valid| 6) 1) (= |~#fixed_request_queue~0.offset| 0) (= (select .cse28 1) 0) (= ~number_cdev_registered~0 0) (= |~#registered_irq~0.base| 40) (= |~#genhd_registered~0.offset| 0) (= ~number_fixed_genhd_used~0 0) (= 0 |~#zf_notifier~0.offset|) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select .cse12 3) 0) (= (select .cse16 .cse11) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select .cse3 (+ 8 |~#zf_timer~0.offset|)) 0) (= (select .cse10 |~#zf_notifier~0.offset|) |#funAddr~zf_notify_sys.offset|) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (= (select (select |#memory_int| |~#zf_is_open~0.base|) |~#zf_is_open~0.offset|) 0) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= .cse1 (select |#memory_$Pointer$.offset| |~#cdev_registered~0.base|)) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= (select (select |#memory_$Pointer$.base| |~#zf_timer~0.base|) .cse8) 0) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8) (= (select |#memory_$Pointer$.base| |~#registered_irq~0.base|) .cse1)))) [2022-12-14 14:08:03,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,025 INFO L899 garLoopResultBuilder]: For program point L3097-1(line 3097) no Hoare annotation was computed. [2022-12-14 14:08:03,025 INFO L895 garLoopResultBuilder]: At program point L3097(line 3097) the Hoare annotation is: false [2022-12-14 14:08:03,025 INFO L902 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: true [2022-12-14 14:08:03,025 INFO L902 garLoopResultBuilder]: At program point L1842-1(lines 1836 1843) the Hoare annotation is: true [2022-12-14 14:08:03,025 INFO L895 garLoopResultBuilder]: At program point L2767(line 2767) the Hoare annotation is: false [2022-12-14 14:08:03,025 INFO L899 garLoopResultBuilder]: For program point L2833-2(lines 2833 2841) no Hoare annotation was computed. [2022-12-14 14:08:03,025 INFO L899 garLoopResultBuilder]: For program point L2669-3(line 2669) no Hoare annotation was computed. [2022-12-14 14:08:03,027 INFO L895 garLoopResultBuilder]: At program point L2669-5(lines 2669 2671) the Hoare annotation is: (let ((.cse159 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse158 ((as const (Array Int Int)) 0))) (let ((.cse0 (= 64 (select |#length| 36))) (.cse1 (= 12 (select |#length| 34))) (.cse2 (= (select |#length| 37) 1280)) (.cse3 (= 1460 (select |#length| 38))) (.cse4 (= (select |#valid| 30) 1)) (.cse5 (= 1 (select |#valid| 5))) (.cse6 (= (select |#length| 3) 12)) (.cse7 (= (select |#valid| 15) 1)) (.cse8 (= 22 (select |#length| 26))) (.cse9 (= 35 (select |#length| 24))) (.cse10 (= 4 (select |#length| 16))) (.cse11 (= (select |#length| 22) 36)) (.cse12 (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (.cse13 (= (select ~_ddv_module_license~0 1) 80)) (.cse14 (= 18 (select |#length| 2))) (.cse15 (= (select |#length| 9) 73)) (.cse16 (= (select |#valid| 26) 1)) (.cse17 (= (select |#length| 32) 100)) (.cse18 (= (select |#length| 35) 16)) (.cse19 (= (select |#length| 6) 4)) (.cse20 (= (select |#valid| 35) 1)) (.cse21 (= (select |#valid| 9) 1)) (.cse22 (= 76 (select ~_ddv_module_license~0 2))) (.cse23 (= (select |#valid| 38) 1)) (.cse24 (= .cse158 ~_ddv_module_param_nowayout~0)) (.cse25 (= (select |#valid| 40) 1)) (.cse26 (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (.cse27 (= (select .cse159 (+ |~#kernel_lock~0.offset| 4)) 0)) (.cse28 (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (.cse29 (= (select |#valid| 11) 1)) (.cse30 (= (select |#valid| 27) 1)) (.cse31 (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (.cse32 (= (select |#valid| 33) 1)) (.cse33 (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (.cse34 (= (select |#length| 28) 4)) (.cse35 (= 128 (select |#length| 40))) (.cse36 (= .cse158 ~_ddv_module_param_action~0)) (.cse37 (= ~proc_root_driver~0.offset 0)) (.cse38 (= ~_ddv_module_author~0 .cse158)) (.cse39 (= ~proc_root_driver~0.base 0)) (.cse40 (= |~#registered_pci_driver~0.base| 39)) (.cse41 (= |~#zf_is_open~0.offset| 0)) (.cse42 (= 8 (select |#length| 30))) (.cse43 (= 42 |~#timer_registered~0.base|)) (.cse44 (= 2 (select |#length| 1))) (.cse45 (= 0 |~#fixed_cdev~0.offset|)) (.cse46 (= (select |#length| 7) 75)) (.cse47 (= (select |#length| 12) 39)) (.cse48 (= ~number_timer_registered~0 0)) (.cse49 (= (select |#valid| 3) 1)) (.cse50 (= 71 (select ~_ddv_module_license~0 0))) (.cse51 (= (select |#valid| 7) 1)) (.cse52 (= (select |#valid| 18) 1)) (.cse53 (= (select .cse159 |~#kernel_lock~0.offset|) 1)) (.cse54 (= |~#fixed_request_queue~0.base| 45)) (.cse55 (= (select |#valid| 22) 1)) (.cse56 (= 28 |~#zf_is_open~0.base|)) (.cse57 (= (select |#length| 20) 58)) (.cse58 (= 236 (select |#length| 39))) (.cse59 (= |~#zf_lock~0.base| 29)) (.cse60 (= (select |#valid| 24) 1)) (.cse61 (= .cse158 ~_ddv_module_description~0)) (.cse62 (= |~#kernel_lock~0.base| 44)) (.cse63 (= (select |#valid| 45) 1)) (.cse64 (= (select |#valid| 43) 1)) (.cse65 (= (select |#valid| 44) 1)) (.cse66 (= ~jiffies~0 0)) (.cse67 (= |~#registered_irq~0.offset| 0)) (.cse68 (= (select |#valid| 12) 1)) (.cse69 (= (select |#valid| 32) 1)) (.cse70 (= (select ~_ddv_module_license~0 3) 0)) (.cse71 (= 6 (select |#length| 41))) (.cse72 (= ~number_tasklet_registered~0 0)) (.cse73 (= (select |#valid| 39) 1)) (.cse74 (= (select |#valid| 28) 1)) (.cse75 (= |~#zf_info~0.offset| 0)) (.cse76 (= |~#kernel_lock~0.offset| 0)) (.cse77 (= (select |#length| 17) 4)) (.cse78 (= (select |#valid| 37) 1)) (.cse79 (= (select |#length| 27) 40)) (.cse80 (= (select |#length| 15) 6)) (.cse81 (= |~#tasklet_registered~0.offset| 0)) (.cse82 (= (select |#valid| 4) 1)) (.cse83 (= (select |#length| 42) 4)) (.cse84 (= 44 (select |#length| 10))) (.cse85 (= ~zf_expect_close~0 0)) (.cse86 (= 460 (select |#length| 45))) (.cse87 (= 16 (select |#length| 31))) (.cse88 (= 30 |~#zf_port_lock~0.base|)) (.cse89 (= |~#zf_info~0.base| 27)) (.cse90 (= (select |#valid| 1) 1)) (.cse91 (= 44 (select |#length| 4))) (.cse92 (= (select |#valid| 20) 1)) (.cse93 (= (select |#valid| 41) 1)) (.cse94 (= 31 (select |#length| 5))) (.cse95 (= 32 |~#zf_fops~0.base|)) (.cse96 (= |~#fixed_cdev~0.base| 35)) (.cse97 (= (select |#valid| 21) 1)) (.cse98 (= |~#zf_miscdev~0.offset| 0)) (.cse99 (= |~#tasklet_registered~0.base| 41)) (.cse100 (= |~#genhd_registered~0.base| 38)) (.cse101 (= (select |#length| 44) 8)) (.cse102 (= (select |#valid| 14) 1)) (.cse103 (= (select |#valid| 42) 1)) (.cse104 (= (select |#length| 19) 40)) (.cse105 (= 9 (select |#length| 14))) (.cse106 (= (select |#valid| 0) 0)) (.cse107 (= ~next_heartbeat~0 0)) (.cse108 (= (select |#valid| 25) 1)) (.cse109 (= 4 (select |#length| 18))) (.cse110 (= (select |#length| 11) 43)) (.cse111 (= (select |#valid| 2) 1)) (.cse112 (= (select |#valid| 46) 1)) (.cse113 (= 0 |~#cdev_registered~0.offset|)) (.cse114 (= |#NULL.offset| 0)) (.cse115 (= (select |#valid| 36) 1)) (.cse116 (= ~nowayout~0 0)) (.cse117 (= (select |#valid| 23) 1)) (.cse118 (= |~#zf_miscdev~0.base| 33)) (.cse119 (= 69 (select |#length| 13))) (.cse120 (= |~#global_tty_driver~0.base| 46)) (.cse121 (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (.cse122 (= |~#zf_lock~0.offset| 0)) (.cse123 (= (select |#valid| 19) 1)) (.cse124 (= (select |#valid| 31) 1)) (.cse125 (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (.cse126 (= (select |#valid| 34) 1)) (.cse127 (= (select |#valid| 16) 1)) (.cse128 (= |~#zf_port_lock~0.offset| 0)) (.cse129 (= (select |#valid| 6) 1)) (.cse130 (= |~#fixed_request_queue~0.offset| 0)) (.cse131 (= ~number_cdev_registered~0 0)) (.cse132 (= |~#registered_irq~0.base| 40)) (.cse133 (= |~#genhd_registered~0.offset| 0)) (.cse134 (= ~number_fixed_genhd_used~0 0)) (.cse135 (= 0 |~#zf_notifier~0.offset|)) (.cse136 (= 14 (select |#length| 23))) (.cse137 (= (select |#length| 33) 12)) (.cse138 (= (select |#valid| 29) 1)) (.cse139 (= (select |#length| 8) 18)) (.cse140 (= 40 (select |#length| 43))) (.cse141 (= ~action~0 0)) (.cse142 (= 200 (select |#length| 46))) (.cse143 (= (select |#valid| 17) 1)) (.cse144 (= (select |#valid| 10) 1)) (.cse145 (= (select |#valid| 8) 1)) (.cse146 (= 0 |~#zf_timer~0.offset|)) (.cse147 (= (select |#valid| 13) 1)) (.cse148 (= |~#cdev_registered~0.base| 36)) (.cse149 (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (.cse150 (< 0 |#StackHeapBarrier|)) (.cse151 (= (select |#length| 21) 31)) (.cse152 (= ~number_genhd_registered~0 0)) (.cse153 (= |~#fixed_gendisk~0.base| 37)) (.cse154 (= 44 (select |#length| 25))) (.cse155 (= |~#fixed_gendisk~0.offset| 0)) (.cse156 (= |#NULL.base| 0)) (.cse157 (= (select |#length| 29) 8))) (or (and (<= 0 |~#global_tty_driver~0.offset|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 0 ~ddv_ioport_request_len~0) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (<= ~zf_action~0 2048) .cse18 .cse19 .cse20 .cse21 (<= |~#zf_fops~0.offset| 0) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 (<= |~#zf_notifier~0.base| 34) .cse29 (<= 0 |~#shared_workqueue~0.offset|) .cse30 .cse31 .cse32 .cse33 (<= |~#global_tty_driver~0.offset| 0) .cse34 (<= 0 ~ddv_ioport_request_start~0) .cse35 (<= |~#zf_timer~0.base| 31) .cse36 (<= 34 |~#zf_notifier~0.base|) .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 (<= |~#shared_workqueue~0.base| 43) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= |~#registered_pci_driver~0.offset| 0) .cse46 .cse47 .cse48 (<= 0 |~#registered_pci_driver~0.offset|) .cse49 .cse50 (<= |~#timer_registered~0.offset| 0) .cse51 (<= ~ddv_ioport_request_start~0 0) .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 (<= ~current_execution_context~0 1) (<= 1 ~current_execution_context~0) (<= 31 |~#zf_timer~0.base|) .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 .cse69 .cse70 .cse71 .cse72 .cse73 .cse74 .cse75 .cse76 (<= |~#shared_workqueue~0.offset| 0) .cse77 .cse78 .cse79 .cse80 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 .cse87 .cse88 .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98 .cse99 .cse100 .cse101 .cse102 .cse103 (<= |ULTIMATE.start_init_kernel_~i~1#1| 2147483647) .cse104 .cse105 .cse106 (<= 43 |~#shared_workqueue~0.base|) (<= ~number_request_queue_used~0 0) .cse107 .cse108 .cse109 .cse110 .cse111 .cse112 .cse113 .cse114 .cse115 .cse116 (<= 2048 ~zf_action~0) .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123 (<= 0 |~#zf_fops~0.offset|) .cse124 .cse125 .cse126 .cse127 .cse128 (<= 0 ~fixed_cdev_used~0) .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 (<= 0 |~#timer_registered~0.offset|) .cse135 .cse136 .cse137 .cse138 (<= ~ddv_ioport_request_len~0 0) (<= ~fixed_cdev_used~0 0) .cse139 .cse140 .cse141 .cse142 .cse143 .cse144 .cse145 .cse146 .cse147 .cse148 .cse149 .cse150 .cse151 .cse152 .cse153 .cse154 .cse155 .cse156 .cse157 (<= 0 ~number_request_queue_used~0)) (and .cse0 .cse1 (= |~#zf_fops~0.offset| 0) (= 0 ~fixed_cdev_used~0) (= |~#shared_workqueue~0.offset| 0) .cse2 .cse3 .cse4 .cse5 (= |~#registered_pci_driver~0.offset| 0) .cse6 .cse7 .cse8 .cse9 .cse10 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) (= ~number_request_queue_used~0 0) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (= ~zf_action~0 2048) .cse17 (= |~#timer_registered~0.offset| 0) .cse18 .cse19 .cse20 .cse21 (= |~#global_tty_driver~0.offset| 0) (= |~#zf_timer~0.base| 31) .cse22 .cse23 (= 43 |~#shared_workqueue~0.base|) .cse24 (= ~ddv_ioport_request_len~0 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (= |~#zf_notifier~0.base| 34) (= ~current_execution_context~0 1) (= ~ddv_ioport_request_start~0 0) .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 .cse69 .cse70 .cse71 .cse72 .cse73 .cse74 .cse75 .cse76 .cse77 .cse78 .cse79 .cse80 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 .cse87 .cse88 .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98 .cse99 .cse100 .cse101 .cse102 .cse103 .cse104 .cse105 .cse106 .cse107 .cse108 .cse109 .cse110 .cse111 .cse112 .cse113 .cse114 .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123 .cse124 .cse125 .cse126 .cse127 .cse128 .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 .cse135 .cse136 .cse137 .cse138 .cse139 .cse140 .cse141 .cse142 .cse143 .cse144 .cse145 .cse146 .cse147 .cse148 .cse149 .cse150 .cse151 .cse152 .cse153 .cse154 .cse155 .cse156 .cse157)))) [2022-12-14 14:08:03,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-12-14 14:08:03,027 INFO L899 garLoopResultBuilder]: For program point L2669-4(line 2669) no Hoare annotation was computed. [2022-12-14 14:08:03,027 INFO L899 garLoopResultBuilder]: For program point L3099-2(lines 3099 3105) no Hoare annotation was computed. [2022-12-14 14:08:03,027 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1815) no Hoare annotation was computed. [2022-12-14 14:08:03,027 INFO L899 garLoopResultBuilder]: For program point L2802(line 2802) no Hoare annotation was computed. [2022-12-14 14:08:03,027 INFO L899 garLoopResultBuilder]: For program point L2835-1(lines 2835 2836) no Hoare annotation was computed. [2022-12-14 14:08:03,030 INFO L895 garLoopResultBuilder]: At program point L1778(line 1778) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse0 ((as const (Array Int Int)) 0))) (and (<= 0 |~#global_tty_driver~0.offset|) (= 64 (select |#length| 36)) (= 12 (select |#length| 34)) (= (select |#length| 37) 1280) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (<= 0 ~ddv_ioport_request_len~0) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select |#valid| 26) 1) (= (select |#length| 32) 100) (<= ~zf_action~0 2048) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (<= |~#zf_fops~0.offset| 0) (= 76 (select ~_ddv_module_license~0 2)) (= (select |#valid| 38) 1) (= .cse0 ~_ddv_module_param_nowayout~0) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (<= |~#zf_notifier~0.base| 34) (= (select |#valid| 11) 1) (<= 0 |~#shared_workqueue~0.offset|) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (<= |~#global_tty_driver~0.offset| 0) (= (select |#length| 28) 4) (<= 0 ~ddv_ioport_request_start~0) (= 128 (select |#length| 40)) (= ~_ddv_module_init~0.offset |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.offset|) (<= |~#zf_timer~0.base| 31) (= .cse0 ~_ddv_module_param_action~0) (<= 34 |~#zf_notifier~0.base|) (= ~proc_root_driver~0.offset 0) (= ~_ddv_module_author~0 .cse0) (= ~proc_root_driver~0.base 0) (= |~#registered_pci_driver~0.base| 39) (= |~#zf_is_open~0.offset| 0) (= 8 (select |#length| 30)) (= ~_ddv_module_init~0.base |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.base|) (= 42 |~#timer_registered~0.base|) (= 2 (select |#length| 1)) (= 0 |~#fixed_cdev~0.offset|) (<= |~#shared_workqueue~0.base| 43) (<= |~#registered_pci_driver~0.offset| 0) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= ~number_timer_registered~0 0) (<= 0 |~#registered_pci_driver~0.offset|) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (<= |~#timer_registered~0.offset| 0) (= (select |#valid| 7) 1) (<= ~ddv_ioport_request_start~0 0) (= (select |#valid| 18) 1) (= (select .cse1 |~#kernel_lock~0.offset|) 1) (= |~#fixed_request_queue~0.base| 45) (= (select |#valid| 22) 1) (= 28 |~#zf_is_open~0.base|) (= (select |#length| 20) 58) (= 236 (select |#length| 39)) (= |~#zf_lock~0.base| 29) (<= ~current_execution_context~0 1) (<= 1 ~current_execution_context~0) (<= 31 |~#zf_timer~0.base|) (= (select |#valid| 24) 1) (= .cse0 ~_ddv_module_description~0) (= |~#kernel_lock~0.base| 44) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#valid| 44) 1) (= ~jiffies~0 0) (= |~#registered_irq~0.offset| 0) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= (select ~_ddv_module_license~0 3) 0) (= 6 (select |#length| 41)) (= ~number_tasklet_registered~0 0) (= (select |#valid| 39) 1) (= (select |#valid| 28) 1) (= |~#zf_info~0.offset| 0) (= |~#kernel_lock~0.offset| 0) (<= |~#shared_workqueue~0.offset| 0) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= |~#tasklet_registered~0.offset| 0) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= 44 (select |#length| 10)) (= ~zf_expect_close~0 0) (= 460 (select |#length| 45)) (= 16 (select |#length| 31)) (= 30 |~#zf_port_lock~0.base|) (= |~#zf_info~0.base| 27) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= 31 (select |#length| 5)) (= 32 |~#zf_fops~0.base|) (= |~#fixed_cdev~0.base| 35) (= (select |#valid| 21) 1) (= |~#zf_miscdev~0.offset| 0) (= |~#tasklet_registered~0.base| 41) (= |~#genhd_registered~0.base| 38) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (<= 43 |~#shared_workqueue~0.base|) (<= ~number_request_queue_used~0 0) (= ~next_heartbeat~0 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= 0 |~#cdev_registered~0.offset|) (= |#NULL.offset| 0) (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ (- 2) (* |ULTIMATE.start_init_kernel_~i~1#1| 6) |~#tasklet_registered~0.offset|)) 0) (= (select |#valid| 36) 1) (= ~nowayout~0 0) (<= 2048 ~zf_action~0) (= (select |#valid| 23) 1) (= |~#zf_miscdev~0.base| 33) (= 69 (select |#length| 13)) (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= |~#global_tty_driver~0.base| 46) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= |~#zf_lock~0.offset| 0) (= (select |#valid| 19) 1) (<= 0 |~#zf_fops~0.offset|) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= (select |#valid| 16) 1) (= |~#zf_port_lock~0.offset| 0) (<= 0 ~fixed_cdev_used~0) (= (select |#valid| 6) 1) (= |~#fixed_request_queue~0.offset| 0) (= ~number_cdev_registered~0 0) (= |~#registered_irq~0.base| 40) (= |~#genhd_registered~0.offset| 0) (= ~number_fixed_genhd_used~0 0) (<= 0 |~#timer_registered~0.offset|) (= 0 |~#zf_notifier~0.offset|) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (<= ~ddv_ioport_request_len~0 0) (<= ~fixed_cdev_used~0 0) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8) (<= 0 ~number_request_queue_used~0))) [2022-12-14 14:08:03,030 INFO L895 garLoopResultBuilder]: At program point L2835(lines 2835 2836) the Hoare annotation is: false [2022-12-14 14:08:03,030 INFO L899 garLoopResultBuilder]: For program point L1778-1(line 1778) no Hoare annotation was computed. [2022-12-14 14:08:03,030 INFO L899 garLoopResultBuilder]: For program point L2703(line 2703) no Hoare annotation was computed. [2022-12-14 14:08:03,030 INFO L899 garLoopResultBuilder]: For program point L3496(lines 3496 3508) no Hoare annotation was computed. [2022-12-14 14:08:03,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-12-14 14:08:03,031 INFO L895 garLoopResultBuilder]: At program point L1812(lines 1812 1813) the Hoare annotation is: false [2022-12-14 14:08:03,031 INFO L899 garLoopResultBuilder]: For program point L1812-1(lines 1812 1813) no Hoare annotation was computed. [2022-12-14 14:08:03,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-12-14 14:08:03,031 INFO L899 garLoopResultBuilder]: For program point L3035-1(line 3035) no Hoare annotation was computed. [2022-12-14 14:08:03,031 INFO L895 garLoopResultBuilder]: At program point L3035(line 3035) the Hoare annotation is: false [2022-12-14 14:08:03,034 INFO L895 garLoopResultBuilder]: At program point L1780(line 1780) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse0 ((as const (Array Int Int)) 0))) (and (<= 0 |~#global_tty_driver~0.offset|) (= 64 (select |#length| 36)) (= 12 (select |#length| 34)) (= (select |#length| 37) 1280) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (<= 0 ~ddv_ioport_request_len~0) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select |#valid| 26) 1) (= (select |#length| 32) 100) (<= ~zf_action~0 2048) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (<= |~#zf_fops~0.offset| 0) (= 76 (select ~_ddv_module_license~0 2)) (= (select |#valid| 38) 1) (= .cse0 ~_ddv_module_param_nowayout~0) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (<= |~#zf_notifier~0.base| 34) (= (select |#valid| 11) 1) (<= 0 |~#shared_workqueue~0.offset|) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (<= |~#global_tty_driver~0.offset| 0) (= (select |#length| 28) 4) (<= 0 ~ddv_ioport_request_start~0) (= 128 (select |#length| 40)) (= ~_ddv_module_init~0.offset |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.offset|) (<= |~#zf_timer~0.base| 31) (= .cse0 ~_ddv_module_param_action~0) (<= 34 |~#zf_notifier~0.base|) (= ~proc_root_driver~0.offset 0) (= ~_ddv_module_author~0 .cse0) (= ~proc_root_driver~0.base 0) (= |~#registered_pci_driver~0.base| 39) (= |~#zf_is_open~0.offset| 0) (= 8 (select |#length| 30)) (= ~_ddv_module_init~0.base |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.base|) (= 42 |~#timer_registered~0.base|) (= 2 (select |#length| 1)) (= 0 |~#fixed_cdev~0.offset|) (<= |~#shared_workqueue~0.base| 43) (<= |~#registered_pci_driver~0.offset| 0) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= ~number_timer_registered~0 0) (<= 0 |~#registered_pci_driver~0.offset|) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (<= |~#timer_registered~0.offset| 0) (= (select |#valid| 7) 1) (<= ~ddv_ioport_request_start~0 0) (= (select |#valid| 18) 1) (= (select .cse1 |~#kernel_lock~0.offset|) 1) (= |~#fixed_request_queue~0.base| 45) (= (select |#valid| 22) 1) (= 28 |~#zf_is_open~0.base|) (= (select |#length| 20) 58) (= 236 (select |#length| 39)) (= |~#zf_lock~0.base| 29) (<= ~current_execution_context~0 1) (<= 1 ~current_execution_context~0) (<= 31 |~#zf_timer~0.base|) (= (select |#valid| 24) 1) (= .cse0 ~_ddv_module_description~0) (= |~#kernel_lock~0.base| 44) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#valid| 44) 1) (= ~jiffies~0 0) (= |~#registered_irq~0.offset| 0) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= (select ~_ddv_module_license~0 3) 0) (= 6 (select |#length| 41)) (= ~number_tasklet_registered~0 0) (= (select |#valid| 39) 1) (= (select |#valid| 28) 1) (= |~#zf_info~0.offset| 0) (= |~#kernel_lock~0.offset| 0) (<= |~#shared_workqueue~0.offset| 0) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= |~#tasklet_registered~0.offset| 0) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= 44 (select |#length| 10)) (= ~zf_expect_close~0 0) (= 460 (select |#length| 45)) (= 16 (select |#length| 31)) (= 30 |~#zf_port_lock~0.base|) (= |~#zf_info~0.base| 27) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= 31 (select |#length| 5)) (= 32 |~#zf_fops~0.base|) (= |~#fixed_cdev~0.base| 35) (= (select |#valid| 21) 1) (= |~#zf_miscdev~0.offset| 0) (= |~#tasklet_registered~0.base| 41) (= |~#genhd_registered~0.base| 38) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (<= 43 |~#shared_workqueue~0.base|) (<= ~number_request_queue_used~0 0) (= ~next_heartbeat~0 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= 0 |~#cdev_registered~0.offset|) (= |#NULL.offset| 0) (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ (- 2) (* |ULTIMATE.start_init_kernel_~i~1#1| 6) |~#tasklet_registered~0.offset|)) 0) (= (select |#valid| 36) 1) (= ~nowayout~0 0) (<= 2048 ~zf_action~0) (= (select |#valid| 23) 1) (= |~#zf_miscdev~0.base| 33) (= 69 (select |#length| 13)) (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= |~#global_tty_driver~0.base| 46) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= |~#zf_lock~0.offset| 0) (= (select |#valid| 19) 1) (<= 0 |~#zf_fops~0.offset|) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= (select |#valid| 16) 1) (= |~#zf_port_lock~0.offset| 0) (<= 0 ~fixed_cdev_used~0) (= (select |#valid| 6) 1) (= |~#fixed_request_queue~0.offset| 0) (= ~number_cdev_registered~0 0) (= |~#registered_irq~0.base| 40) (= |~#genhd_registered~0.offset| 0) (= ~number_fixed_genhd_used~0 0) (<= 0 |~#timer_registered~0.offset|) (= 0 |~#zf_notifier~0.offset|) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (<= ~ddv_ioport_request_len~0 0) (<= ~fixed_cdev_used~0 0) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8) (<= 0 ~number_request_queue_used~0))) [2022-12-14 14:08:03,034 INFO L899 garLoopResultBuilder]: For program point L1780-1(line 1780) no Hoare annotation was computed. [2022-12-14 14:08:03,034 INFO L899 garLoopResultBuilder]: For program point L3498(line 3498) no Hoare annotation was computed. [2022-12-14 14:08:03,034 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,034 INFO L899 garLoopResultBuilder]: For program point L3498-1(line 3498) no Hoare annotation was computed. [2022-12-14 14:08:03,034 INFO L895 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: false [2022-12-14 14:08:03,034 INFO L899 garLoopResultBuilder]: For program point L3102-1(line 3102) no Hoare annotation was computed. [2022-12-14 14:08:03,035 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1784) no Hoare annotation was computed. [2022-12-14 14:08:03,035 INFO L899 garLoopResultBuilder]: For program point L2805(line 2805) no Hoare annotation was computed. [2022-12-14 14:08:03,035 INFO L899 garLoopResultBuilder]: For program point L2673-3(line 2673) no Hoare annotation was computed. [2022-12-14 14:08:03,038 INFO L895 garLoopResultBuilder]: At program point L2673-5(lines 2673 2676) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse0 ((as const (Array Int Int)) 0))) (and (= 64 (select |#length| 36)) (= 12 (select |#length| 34)) (= (select |#length| 37) 1280) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select |#valid| 26) 1) (= (select |#length| 32) 100) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (= 76 (select ~_ddv_module_license~0 2)) (= (select |#valid| 38) 1) (= .cse0 ~_ddv_module_param_nowayout~0) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (= (select |#valid| 11) 1) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (= (select |#length| 28) 4) (= 128 (select |#length| 40)) (= .cse0 ~_ddv_module_param_action~0) (= ~_ddv_module_author~0 .cse0) (= 8 (select |#length| 30)) (= 2 (select |#length| 1)) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (= (select |#valid| 7) 1) (= (select |#valid| 18) 1) (= (select .cse1 |~#kernel_lock~0.offset|) 1) (= (select |#valid| 22) 1) (= (select |#length| 20) 58) (= 236 (select |#length| 39)) (= (select |#valid| 24) 1) (= .cse0 ~_ddv_module_description~0) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#valid| 44) 1) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= (select ~_ddv_module_license~0 3) 0) (= 6 (select |#length| 41)) (= (select |#valid| 39) 1) (= (select |#valid| 28) 1) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= 44 (select |#length| 10)) (= 460 (select |#length| 45)) (= 16 (select |#length| 31)) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= 31 (select |#length| 5)) (= (select |#valid| 21) 1) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= (select |#valid| 36) 1) (= (select |#valid| 23) 1) (= 69 (select |#length| 13)) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= (select |#valid| 19) 1) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= (select |#valid| 16) 1) (= (select |#valid| 6) 1) (let ((.cse2 (= |~#zf_fops~0.offset| 0)) (.cse3 (= 0 ~fixed_cdev_used~0)) (.cse4 (= |~#shared_workqueue~0.offset| 0)) (.cse5 (= |~#registered_pci_driver~0.offset| 0)) (.cse6 (= ~number_request_queue_used~0 0)) (.cse7 (= ~zf_action~0 2048)) (.cse8 (= |~#timer_registered~0.offset| 0)) (.cse9 (= |~#global_tty_driver~0.offset| 0)) (.cse10 (= |~#zf_timer~0.base| 31)) (.cse11 (= 43 |~#shared_workqueue~0.base|)) (.cse12 (= ~ddv_ioport_request_len~0 0)) (.cse13 (= |~#zf_notifier~0.base| 34)) (.cse14 (= ~current_execution_context~0 1)) (.cse15 (= ~ddv_ioport_request_start~0 0)) (.cse16 (= ~proc_root_driver~0.offset 0)) (.cse17 (= ~proc_root_driver~0.base 0)) (.cse18 (= |~#registered_pci_driver~0.base| 39)) (.cse19 (= |~#zf_is_open~0.offset| 0)) (.cse20 (= 42 |~#timer_registered~0.base|)) (.cse21 (= 0 |~#fixed_cdev~0.offset|)) (.cse22 (= ~number_timer_registered~0 0)) (.cse23 (= |~#fixed_request_queue~0.base| 45)) (.cse24 (= 28 |~#zf_is_open~0.base|)) (.cse25 (= |~#zf_lock~0.base| 29)) (.cse26 (= |~#kernel_lock~0.base| 44)) (.cse27 (= ~jiffies~0 0)) (.cse28 (= |~#registered_irq~0.offset| 0)) (.cse29 (= ~number_tasklet_registered~0 0)) (.cse30 (= |~#zf_info~0.offset| 0)) (.cse31 (= |~#kernel_lock~0.offset| 0)) (.cse32 (= |~#tasklet_registered~0.offset| 0)) (.cse33 (= ~zf_expect_close~0 0)) (.cse34 (= 30 |~#zf_port_lock~0.base|)) (.cse35 (= |~#zf_info~0.base| 27)) (.cse36 (= 32 |~#zf_fops~0.base|)) (.cse37 (= |~#fixed_cdev~0.base| 35)) (.cse38 (= |~#zf_miscdev~0.offset| 0)) (.cse39 (= |~#tasklet_registered~0.base| 41)) (.cse40 (= |~#genhd_registered~0.base| 38)) (.cse41 (= ~next_heartbeat~0 0)) (.cse42 (= 0 |~#cdev_registered~0.offset|)) (.cse43 (= |#NULL.offset| 0)) (.cse44 (= ~nowayout~0 0)) (.cse45 (= |~#zf_miscdev~0.base| 33)) (.cse46 (= |~#global_tty_driver~0.base| 46)) (.cse47 (= |~#zf_lock~0.offset| 0)) (.cse48 (= |~#zf_port_lock~0.offset| 0)) (.cse49 (= |~#fixed_request_queue~0.offset| 0)) (.cse50 (= ~number_cdev_registered~0 0)) (.cse51 (= |~#registered_irq~0.base| 40)) (.cse52 (= |~#genhd_registered~0.offset| 0)) (.cse53 (= ~number_fixed_genhd_used~0 0)) (.cse54 (= 0 |~#zf_notifier~0.offset|))) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (= |ULTIMATE.start_init_kernel_~i~1#1| 1) .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0) .cse41 .cse42 .cse43 .cse44 .cse45 (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (and .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54))) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8))) [2022-12-14 14:08:03,038 INFO L899 garLoopResultBuilder]: For program point L2673-4(line 2673) no Hoare annotation was computed. [2022-12-14 14:08:03,038 INFO L895 garLoopResultBuilder]: At program point zf_init_returnLabel#1(lines 1774 1833) the Hoare annotation is: false [2022-12-14 14:08:03,038 INFO L895 garLoopResultBuilder]: At program point L1782(line 1782) the Hoare annotation is: false [2022-12-14 14:08:03,038 INFO L899 garLoopResultBuilder]: For program point L1782-1(line 1782) no Hoare annotation was computed. [2022-12-14 14:08:03,038 INFO L899 garLoopResultBuilder]: For program point L2708(line 2708) no Hoare annotation was computed. [2022-12-14 14:08:03,038 INFO L899 garLoopResultBuilder]: For program point L4360(lines 4360 4369) no Hoare annotation was computed. [2022-12-14 14:08:03,038 INFO L899 garLoopResultBuilder]: For program point L2808(line 2808) no Hoare annotation was computed. [2022-12-14 14:08:03,038 INFO L895 garLoopResultBuilder]: At program point L1818(line 1818) the Hoare annotation is: false [2022-12-14 14:08:03,039 INFO L899 garLoopResultBuilder]: For program point L1818-1(line 1818) no Hoare annotation was computed. [2022-12-14 14:08:03,039 INFO L895 garLoopResultBuilder]: At program point misc_register_returnLabel#1(lines 3491 3509) the Hoare annotation is: false [2022-12-14 14:08:03,039 INFO L902 garLoopResultBuilder]: At program point zf_ioctl_returnLabel#1(lines 1665 1688) the Hoare annotation is: true [2022-12-14 14:08:03,039 INFO L902 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2022-12-14 14:08:03,039 INFO L899 garLoopResultBuilder]: For program point L1683(line 1683) no Hoare annotation was computed. [2022-12-14 14:08:03,039 INFO L899 garLoopResultBuilder]: For program point L1679(line 1679) no Hoare annotation was computed. [2022-12-14 14:08:03,039 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:08:03,039 INFO L899 garLoopResultBuilder]: For program point L1671(line 1671) no Hoare annotation was computed. [2022-12-14 14:08:03,039 INFO L902 garLoopResultBuilder]: At program point L3267(lines 3267 3268) the Hoare annotation is: true [2022-12-14 14:08:03,039 INFO L902 garLoopResultBuilder]: At program point L3259(lines 3259 3260) the Hoare annotation is: true [2022-12-14 14:08:03,039 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,039 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-12-14 14:08:03,039 INFO L899 garLoopResultBuilder]: For program point L1676(line 1676) no Hoare annotation was computed. [2022-12-14 14:08:03,039 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 1673) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L902 garLoopResultBuilder]: At program point L1670(lines 1670 1685) the Hoare annotation is: true [2022-12-14 14:08:03,040 INFO L902 garLoopResultBuilder]: At program point L3268(line 3268) the Hoare annotation is: true [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point cdev_addFINAL(lines 3846 3869) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point L3862(line 3862) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point L3862-1(line 3862) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point cdev_addEXIT(lines 3846 3869) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point L3854(lines 3854 3866) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point L3855(lines 3855 3865) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L902 garLoopResultBuilder]: At program point L3852(line 3852) the Hoare annotation is: true [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point L3852-1(lines 3847 3869) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3846 3869) the Hoare annotation is: true [2022-12-14 14:08:03,040 INFO L899 garLoopResultBuilder]: For program point cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-12-14 14:08:03,040 INFO L902 garLoopResultBuilder]: At program point L3244(line 3244) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1645) no Hoare annotation was computed. [2022-12-14 14:08:03,041 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L902 garLoopResultBuilder]: At program point L1642-3(lines 1642 1650) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1651) no Hoare annotation was computed. [2022-12-14 14:08:03,041 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1632 1651) no Hoare annotation was computed. [2022-12-14 14:08:03,041 INFO L902 garLoopResultBuilder]: At program point zf_write_returnLabel#1(lines 1622 1663) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1660) no Hoare annotation was computed. [2022-12-14 14:08:03,041 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:08:03,041 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1660) no Hoare annotation was computed. [2022-12-14 14:08:03,041 INFO L902 garLoopResultBuilder]: At program point L3243(lines 3243 3244) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1511 1514) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L902 garLoopResultBuilder]: At program point L1513(line 1513) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L902 garLoopResultBuilder]: At program point L1513-1(line 1513) the Hoare annotation is: true [2022-12-14 14:08:03,041 INFO L899 garLoopResultBuilder]: For program point zf_set_controlEXIT(lines 1511 1514) no Hoare annotation was computed. [2022-12-14 14:08:03,042 INFO L899 garLoopResultBuilder]: For program point zf_set_controlFINAL(lines 1511 1514) no Hoare annotation was computed. [2022-12-14 14:08:03,044 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 14:08:03,046 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:08:03,053 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 14:08:03,056 INFO L158 Benchmark]: Toolchain (without parser) took 277951.85ms. Allocated memory was 167.8MB in the beginning and 423.6MB in the end (delta: 255.9MB). Free memory was 129.5MB in the beginning and 325.7MB in the end (delta: -196.2MB). Peak memory consumption was 291.5MB. Max. memory is 16.1GB. [2022-12-14 14:08:03,056 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:08:03,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1198.17ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 98.7MB in the end (delta: 30.8MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2022-12-14 14:08:03,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.85ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 89.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 14:08:03,057 INFO L158 Benchmark]: Boogie Preprocessor took 52.86ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 81.4MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 14:08:03,057 INFO L158 Benchmark]: RCFGBuilder took 1816.36ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 81.4MB in the beginning and 96.5MB in the end (delta: -15.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-12-14 14:08:03,057 INFO L158 Benchmark]: TraceAbstraction took 274798.44ms. Allocated memory was 201.3MB in the beginning and 423.6MB in the end (delta: 222.3MB). Free memory was 96.5MB in the beginning and 325.7MB in the end (delta: -229.1MB). Peak memory consumption was 222.8MB. Max. memory is 16.1GB. [2022-12-14 14:08:03,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1198.17ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 98.7MB in the end (delta: 30.8MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.85ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 89.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.86ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 81.4MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1816.36ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 81.4MB in the beginning and 96.5MB in the end (delta: -15.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * TraceAbstraction took 274798.44ms. Allocated memory was 201.3MB in the beginning and 423.6MB in the end (delta: 222.3MB). Free memory was 96.5MB in the beginning and 325.7MB in the end (delta: -229.1MB). Peak memory consumption was 222.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 309 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 274.7s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 110.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 33.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 8732 SdHoareTripleChecker+Invalid, 32.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6997 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3558 IncrementalHoareTripleChecker+Invalid, 3660 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 1735 mSDtfsCounter, 3558 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 227 SyntacticMatches, 10 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 156.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=5, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 130 LocationsWithAnnotation, 781 PreInvPairs, 801 NumberOfFragments, 9024 HoareAnnotationTreeSize, 781 FomulaSimplifications, 181 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 130 FomulaSimplificationsInter, 13066 FormulaSimplificationTreeSizeReductionInter, 33.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3520 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 59/70 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 45.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 12, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 65, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 96, TOOLS_POST_TIME: 32.6s, TOOLS_POST_CALL_APPLICATIONS: 31, TOOLS_POST_CALL_TIME: 4.5s, TOOLS_POST_RETURN_APPLICATIONS: 22, TOOLS_POST_RETURN_TIME: 5.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 147, TOOLS_QUANTIFIERELIM_TIME: 42.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 5.6s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 243, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME: 1.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME: 1.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 65, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 27.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 27.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 22, CALL_SUMMARIZER_CACHE_MISSES: 9, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1490, DAG_COMPRESSION_RETAINED_NODES: 258, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1665]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 14:08:03,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:08:04,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:08:04,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:08:04,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:08:04,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:08:04,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:08:04,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:08:04,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:08:04,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:08:04,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:08:04,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:08:04,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:08:04,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:08:04,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:08:04,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:08:04,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:08:04,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:08:04,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:08:04,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:08:04,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:08:04,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:08:04,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:08:04,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:08:04,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:08:04,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:08:04,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:08:04,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:08:04,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:08:04,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:08:04,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:08:04,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:08:04,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:08:04,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:08:04,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:08:04,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:08:04,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:08:04,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:08:04,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:08:04,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:08:04,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:08:04,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:08:04,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-12-14 14:08:04,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:08:04,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:08:04,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:08:04,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:08:04,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:08:04,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:08:04,645 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:08:04,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:08:04,645 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:08:04,646 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:08:04,646 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:08:04,647 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:08:04,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:08:04,648 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:08:04,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:08:04,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:08:04,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:08:04,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:08:04,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:08:04,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:08:04,649 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:08:04,649 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:08:04,649 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:08:04,649 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:08:04,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:08:04,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:08:04,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:08:04,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:08:04,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:08:04,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:08:04,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:08:04,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:08:04,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:08:04,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:08:04,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:08:04,651 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:08:04,652 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:04,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:08:04,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:08:04,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:08:04,652 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-12-14 14:08:04,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:08:04,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:08:04,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:08:04,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:08:04,883 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:08:04,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-14 14:08:07,512 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:08:07,800 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:08:07,801 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-14 14:08:07,820 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data/fb4c8a1c4/38afffcb23a24cada156192b1ac84c23/FLAG3380eda9f [2022-12-14 14:08:07,831 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/data/fb4c8a1c4/38afffcb23a24cada156192b1ac84c23 [2022-12-14 14:08:07,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:08:07,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:08:07,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:08:07,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:08:07,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:08:07,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:08:07" (1/1) ... [2022-12-14 14:08:07,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd68d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:07, skipping insertion in model container [2022-12-14 14:08:07,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:08:07" (1/1) ... [2022-12-14 14:08:07,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:08:07,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:08:08,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-14 14:08:08,656 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:08:08,657 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-14 14:08:08,658 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:08:08,660 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:08:08,660 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-14 14:08:08,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-14 14:08:08,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:08:08,931 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 14:08:08,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:08:08,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-14 14:08:08,970 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:08:08,970 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-14 14:08:08,971 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:08:08,971 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:08:08,971 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-14 14:08:08,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-14 14:08:09,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:08:09,039 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:08:09,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-14 14:08:09,082 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:08:09,083 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-14 14:08:09,084 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:08:09,084 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:08:09,085 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-14 14:08:09,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-14 14:08:09,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:08:09,223 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:08:09,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09 WrapperNode [2022-12-14 14:08:09,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:08:09,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:08:09,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:08:09,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:08:09,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,293 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 995 [2022-12-14 14:08:09,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:08:09,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:08:09,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:08:09,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:08:09,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,342 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:08:09,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:08:09,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:08:09,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:08:09,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (1/1) ... [2022-12-14 14:08:09,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:08:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:09,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:08:09,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:08:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-12-14 14:08:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-12-14 14:08:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-12-14 14:08:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-12-14 14:08:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 14:08:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-12-14 14:08:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 14:08:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 14:08:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:08:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-14 14:08:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 14:08:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 14:08:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 14:08:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 14:08:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 14:08:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-12-14 14:08:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-12-14 14:08:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-12-14 14:08:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-14 14:08:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-14 14:08:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:08:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-12-14 14:08:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-12-14 14:08:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:08:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:08:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:08:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:08:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-12-14 14:08:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-12-14 14:08:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-12-14 14:08:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-12-14 14:08:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:08:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:08:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-12-14 14:08:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-12-14 14:08:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 14:08:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 14:08:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 14:08:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:08:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:08:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:08:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 14:08:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 14:08:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:08:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:08:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-14 14:08:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-12-14 14:08:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-12-14 14:08:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-12-14 14:08:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-14 14:08:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-14 14:08:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 14:08:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 14:08:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-12-14 14:08:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-12-14 14:08:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-12-14 14:08:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-12-14 14:08:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-12-14 14:08:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-12-14 14:08:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-12-14 14:08:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-12-14 14:08:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-12-14 14:08:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-12-14 14:08:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-14 14:08:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-12-14 14:08:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-12-14 14:08:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 14:08:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 14:08:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-12-14 14:08:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-12-14 14:08:09,681 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:08:09,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:08:13,633 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:08:13,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:08:13,643 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 14:08:13,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:08:13 BoogieIcfgContainer [2022-12-14 14:08:13,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:08:13,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:08:13,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:08:13,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:08:13,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:08:07" (1/3) ... [2022-12-14 14:08:13,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37604ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:08:13, skipping insertion in model container [2022-12-14 14:08:13,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:08:09" (2/3) ... [2022-12-14 14:08:13,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37604ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:08:13, skipping insertion in model container [2022-12-14 14:08:13,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:08:13" (3/3) ... [2022-12-14 14:08:13,652 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-12-14 14:08:13,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:08:13,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-12-14 14:08:13,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:08:13,711 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17cf23be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:08:13,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-14 14:08:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 267 states have (on average 1.404494382022472) internal successors, (375), 293 states have internal predecessors, (375), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-12-14 14:08:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 14:08:13,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:13,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:13,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:13,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:13,727 INFO L85 PathProgramCache]: Analyzing trace with hash -908977076, now seen corresponding path program 1 times [2022-12-14 14:08:13,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:13,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322009516] [2022-12-14 14:08:13,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:13,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:13,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:13,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 14:08:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:14,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 14:08:14,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:14,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:14,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:14,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322009516] [2022-12-14 14:08:14,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322009516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:14,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:08:14,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 14:08:14,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133004607] [2022-12-14 14:08:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:14,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:08:14,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:14,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:08:14,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:08:14,179 INFO L87 Difference]: Start difference. First operand has 392 states, 267 states have (on average 1.404494382022472) internal successors, (375), 293 states have internal predecessors, (375), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:14,232 INFO L93 Difference]: Finished difference Result 766 states and 1072 transitions. [2022-12-14 14:08:14,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:08:14,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 14:08:14,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:14,242 INFO L225 Difference]: With dead ends: 766 [2022-12-14 14:08:14,242 INFO L226 Difference]: Without dead ends: 372 [2022-12-14 14:08:14,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:08:14,248 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:14,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:08:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-12-14 14:08:14,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-12-14 14:08:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 259 states have (on average 1.3552123552123552) internal successors, (351), 276 states have internal predecessors, (351), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:08:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 502 transitions. [2022-12-14 14:08:14,298 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 502 transitions. Word has length 10 [2022-12-14 14:08:14,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:14,299 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 502 transitions. [2022-12-14 14:08:14,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 502 transitions. [2022-12-14 14:08:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 14:08:14,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:14,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:14,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:08:14,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:14,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1886482075, now seen corresponding path program 1 times [2022-12-14 14:08:14,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:14,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554535443] [2022-12-14 14:08:14,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:14,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:14,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:14,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:14,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 14:08:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:14,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:08:14,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:14,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:14,970 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:14,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554535443] [2022-12-14 14:08:14,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554535443] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:14,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:08:14,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:08:14,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96586536] [2022-12-14 14:08:14,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:14,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:08:14,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:14,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:08:14,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:08:14,973 INFO L87 Difference]: Start difference. First operand 372 states and 502 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:15,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:15,093 INFO L93 Difference]: Finished difference Result 745 states and 1005 transitions. [2022-12-14 14:08:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:08:15,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 14:08:15,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:15,097 INFO L225 Difference]: With dead ends: 745 [2022-12-14 14:08:15,097 INFO L226 Difference]: Without dead ends: 381 [2022-12-14 14:08:15,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:08:15,100 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 6 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:15,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1481 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-12-14 14:08:15,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2022-12-14 14:08:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 264 states have (on average 1.3484848484848484) internal successors, (356), 281 states have internal predecessors, (356), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:08:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 507 transitions. [2022-12-14 14:08:15,129 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 507 transitions. Word has length 11 [2022-12-14 14:08:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:15,129 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 507 transitions. [2022-12-14 14:08:15,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 507 transitions. [2022-12-14 14:08:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:08:15,130 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:15,131 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:15,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 14:08:15,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:15,333 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:15,335 INFO L85 PathProgramCache]: Analyzing trace with hash -415727265, now seen corresponding path program 1 times [2022-12-14 14:08:15,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:15,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661040339] [2022-12-14 14:08:15,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:15,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:15,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:15,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:15,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 14:08:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:15,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:08:15,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:15,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:15,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:15,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661040339] [2022-12-14 14:08:15,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661040339] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:15,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1888335089] [2022-12-14 14:08:15,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:15,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:15,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:15,981 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:15,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-12-14 14:08:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:16,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:08:16,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:16,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:16,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1888335089] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:16,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386477516] [2022-12-14 14:08:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:16,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:16,674 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:16,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:08:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:16,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:08:16,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:16,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:16,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386477516] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:16,981 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 14:08:16,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2022-12-14 14:08:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111415092] [2022-12-14 14:08:16,982 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 14:08:16,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 14:08:16,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:16,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 14:08:16,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 14:08:16,983 INFO L87 Difference]: Start difference. First operand 377 states and 507 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:17,205 INFO L93 Difference]: Finished difference Result 751 states and 1012 transitions. [2022-12-14 14:08:17,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 14:08:17,206 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-14 14:08:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:17,209 INFO L225 Difference]: With dead ends: 751 [2022-12-14 14:08:17,209 INFO L226 Difference]: Without dead ends: 386 [2022-12-14 14:08:17,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:08:17,211 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 23 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3438 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:17,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3438 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:17,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-12-14 14:08:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 377. [2022-12-14 14:08:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 265 states have (on average 1.3433962264150943) internal successors, (356), 281 states have internal predecessors, (356), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:08:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 507 transitions. [2022-12-14 14:08:17,230 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 507 transitions. Word has length 15 [2022-12-14 14:08:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:17,230 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 507 transitions. [2022-12-14 14:08:17,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 507 transitions. [2022-12-14 14:08:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 14:08:17,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:17,231 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:17,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:08:17,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 14:08:17,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2022-12-14 14:08:17,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:17,835 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:17,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1373478705, now seen corresponding path program 1 times [2022-12-14 14:08:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:17,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379593901] [2022-12-14 14:08:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:17,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:17,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:17,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:17,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-14 14:08:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:18,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:08:18,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:18,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:18,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:18,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379593901] [2022-12-14 14:08:18,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379593901] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:18,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [829157248] [2022-12-14 14:08:18,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:18,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:18,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:18,291 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:18,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-12-14 14:08:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:18,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:08:18,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:18,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:08:18,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [829157248] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:18,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296555924] [2022-12-14 14:08:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:18,888 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:18,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 14:08:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:19,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:08:19,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:08:19,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:19,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296555924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:19,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:08:19,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7, 7, 7] total 13 [2022-12-14 14:08:19,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845086719] [2022-12-14 14:08:19,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:19,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:08:19,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:19,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:08:19,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-12-14 14:08:19,136 INFO L87 Difference]: Start difference. First operand 377 states and 507 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:19,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:19,217 INFO L93 Difference]: Finished difference Result 381 states and 511 transitions. [2022-12-14 14:08:19,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:08:19,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-12-14 14:08:19,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:19,220 INFO L225 Difference]: With dead ends: 381 [2022-12-14 14:08:19,220 INFO L226 Difference]: Without dead ends: 380 [2022-12-14 14:08:19,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:08:19,221 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 5 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:19,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1478 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:19,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-12-14 14:08:19,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2022-12-14 14:08:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 268 states have (on average 1.3395522388059702) internal successors, (359), 284 states have internal predecessors, (359), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:08:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 510 transitions. [2022-12-14 14:08:19,238 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 510 transitions. Word has length 21 [2022-12-14 14:08:19,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:19,239 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 510 transitions. [2022-12-14 14:08:19,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 510 transitions. [2022-12-14 14:08:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 14:08:19,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:19,240 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:19,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-14 14:08:19,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2022-12-14 14:08:19,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 14:08:19,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:19,843 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:19,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:19,845 INFO L85 PathProgramCache]: Analyzing trace with hash 570797587, now seen corresponding path program 1 times [2022-12-14 14:08:19,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:19,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173073655] [2022-12-14 14:08:19,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:19,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:19,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:19,850 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:19,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 14:08:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:20,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:08:20,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:08:20,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:08:20,318 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:20,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173073655] [2022-12-14 14:08:20,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173073655] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:20,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2035012083] [2022-12-14 14:08:20,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:20,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:20,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:20,319 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:20,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-12-14 14:08:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:20,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:08:20,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:08:20,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:08:20,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2035012083] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:20,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808309112] [2022-12-14 14:08:20,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:20,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:20,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:20,945 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:20,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 14:08:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:21,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:08:21,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:08:21,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:08:21,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808309112] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:21,288 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 14:08:21,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 5, 5] total 16 [2022-12-14 14:08:21,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902288587] [2022-12-14 14:08:21,289 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 14:08:21,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 14:08:21,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:21,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 14:08:21,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-12-14 14:08:21,290 INFO L87 Difference]: Start difference. First operand 380 states and 510 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:21,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:21,749 INFO L93 Difference]: Finished difference Result 755 states and 1016 transitions. [2022-12-14 14:08:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:08:21,750 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-14 14:08:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:21,752 INFO L225 Difference]: With dead ends: 755 [2022-12-14 14:08:21,752 INFO L226 Difference]: Without dead ends: 388 [2022-12-14 14:08:21,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2022-12-14 14:08:21,754 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 1076 mSDsluCounter, 4721 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 5212 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:21,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 5212 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:08:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-12-14 14:08:21,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2022-12-14 14:08:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 277 states have (on average 1.3212996389891696) internal successors, (366), 292 states have internal predecessors, (366), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-14 14:08:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 517 transitions. [2022-12-14 14:08:21,771 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 517 transitions. Word has length 25 [2022-12-14 14:08:21,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:21,772 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 517 transitions. [2022-12-14 14:08:21,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:08:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 517 transitions. [2022-12-14 14:08:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 14:08:21,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:21,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:21,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2022-12-14 14:08:21,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 14:08:22,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 14:08:22,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:22,375 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:22,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1923940054, now seen corresponding path program 1 times [2022-12-14 14:08:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:22,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103824617] [2022-12-14 14:08:22,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:22,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:22,380 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:22,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-14 14:08:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:22,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:22,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:08:22,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:08:23,280 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:23,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103824617] [2022-12-14 14:08:23,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103824617] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:23,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [702028912] [2022-12-14 14:08:23,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:23,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:23,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:23,282 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:23,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-12-14 14:08:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:23,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:23,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:23,942 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:08:23,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:08:24,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [702028912] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:24,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525300841] [2022-12-14 14:08:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:24,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:24,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:24,001 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:24,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 14:08:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:24,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:08:24,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-14 14:08:24,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:24,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525300841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:24,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:08:24,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [13, 13, 13, 13] total 25 [2022-12-14 14:08:24,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038895050] [2022-12-14 14:08:24,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:24,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:08:24,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:24,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:08:24,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:08:24,472 INFO L87 Difference]: Start difference. First operand 388 states and 517 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 14:08:24,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:24,516 INFO L93 Difference]: Finished difference Result 681 states and 916 transitions. [2022-12-14 14:08:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:08:24,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2022-12-14 14:08:24,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:24,519 INFO L225 Difference]: With dead ends: 681 [2022-12-14 14:08:24,519 INFO L226 Difference]: Without dead ends: 677 [2022-12-14 14:08:24,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:08:24,520 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 435 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:24,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 999 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:08:24,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-12-14 14:08:24,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 673. [2022-12-14 14:08:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 482 states have (on average 1.3360995850622406) internal successors, (644), 501 states have internal predecessors, (644), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-12-14 14:08:24,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 911 transitions. [2022-12-14 14:08:24,541 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 911 transitions. Word has length 50 [2022-12-14 14:08:24,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:24,542 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 911 transitions. [2022-12-14 14:08:24,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 14:08:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 911 transitions. [2022-12-14 14:08:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 14:08:24,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:24,543 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:24,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 14:08:24,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2022-12-14 14:08:24,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-14 14:08:25,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:25,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:25,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:25,146 INFO L85 PathProgramCache]: Analyzing trace with hash -661520829, now seen corresponding path program 1 times [2022-12-14 14:08:25,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:25,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961802586] [2022-12-14 14:08:25,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:25,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:25,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:25,150 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:25,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-14 14:08:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:25,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:25,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:08:25,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 14:08:26,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:26,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961802586] [2022-12-14 14:08:26,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961802586] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:26,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2083103885] [2022-12-14 14:08:26,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:26,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:26,309 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:26,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-12-14 14:08:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:26,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:08:26,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 14:08:26,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:26,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2083103885] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:26,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:08:26,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13, 13] total 26 [2022-12-14 14:08:26,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68468770] [2022-12-14 14:08:26,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:26,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:08:26,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:26,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:08:26,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:08:26,865 INFO L87 Difference]: Start difference. First operand 673 states and 911 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:08:26,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:26,917 INFO L93 Difference]: Finished difference Result 1315 states and 1812 transitions. [2022-12-14 14:08:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:08:26,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 77 [2022-12-14 14:08:26,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:26,919 INFO L225 Difference]: With dead ends: 1315 [2022-12-14 14:08:26,920 INFO L226 Difference]: Without dead ends: 673 [2022-12-14 14:08:26,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:08:26,922 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 1 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:26,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1490 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:08:26,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-12-14 14:08:26,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2022-12-14 14:08:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 482 states have (on average 1.3319502074688796) internal successors, (642), 501 states have internal predecessors, (642), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-12-14 14:08:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 909 transitions. [2022-12-14 14:08:26,954 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 909 transitions. Word has length 77 [2022-12-14 14:08:26,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:26,954 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 909 transitions. [2022-12-14 14:08:26,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:08:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 909 transitions. [2022-12-14 14:08:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 14:08:26,955 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:26,956 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:26,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-14 14:08:27,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2022-12-14 14:08:27,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:27,356 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:27,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:27,357 INFO L85 PathProgramCache]: Analyzing trace with hash 449539103, now seen corresponding path program 1 times [2022-12-14 14:08:27,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:27,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251463857] [2022-12-14 14:08:27,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:27,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:27,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:27,358 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:27,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-14 14:08:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:27,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:27,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:08:27,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 14:08:28,258 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:28,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251463857] [2022-12-14 14:08:28,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251463857] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:28,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [209431665] [2022-12-14 14:08:28,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:28,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:28,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:28,259 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:28,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2022-12-14 14:08:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:29,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:29,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:08:29,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 14:08:29,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [209431665] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:29,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136976349] [2022-12-14 14:08:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:29,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:29,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:29,223 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:29,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-12-14 14:08:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:29,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:08:29,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-14 14:08:29,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:29,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136976349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:29,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:08:29,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 26 [2022-12-14 14:08:29,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732568849] [2022-12-14 14:08:29,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:29,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:08:29,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:29,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:08:29,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:08:29,815 INFO L87 Difference]: Start difference. First operand 673 states and 909 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 14:08:29,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:29,971 INFO L93 Difference]: Finished difference Result 1563 states and 2126 transitions. [2022-12-14 14:08:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:08:29,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2022-12-14 14:08:29,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:29,981 INFO L225 Difference]: With dead ends: 1563 [2022-12-14 14:08:29,981 INFO L226 Difference]: Without dead ends: 955 [2022-12-14 14:08:29,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:08:29,984 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 377 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:29,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1601 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:29,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-12-14 14:08:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 951. [2022-12-14 14:08:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 683 states have (on average 1.3367496339677891) internal successors, (913), 706 states have internal predecessors, (913), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-12-14 14:08:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1294 transitions. [2022-12-14 14:08:30,020 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1294 transitions. Word has length 79 [2022-12-14 14:08:30,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:30,020 INFO L495 AbstractCegarLoop]: Abstraction has 951 states and 1294 transitions. [2022-12-14 14:08:30,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 14:08:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1294 transitions. [2022-12-14 14:08:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 14:08:30,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:30,023 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:30,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2022-12-14 14:08:30,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-14 14:08:30,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-12-14 14:08:30,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:30,625 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:30,626 INFO L85 PathProgramCache]: Analyzing trace with hash -611143586, now seen corresponding path program 1 times [2022-12-14 14:08:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:30,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018434671] [2022-12-14 14:08:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:30,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:30,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:30,632 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:30,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-12-14 14:08:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:31,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:31,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 14:08:31,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 14:08:31,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:31,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018434671] [2022-12-14 14:08:31,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018434671] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:31,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1564176062] [2022-12-14 14:08:31,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:31,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:31,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:31,601 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:31,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2022-12-14 14:08:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:32,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:08:32,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-14 14:08:32,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:32,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1564176062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:32,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:08:32,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 13] total 27 [2022-12-14 14:08:32,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164531263] [2022-12-14 14:08:32,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:32,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:08:32,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:32,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:08:32,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:08:32,270 INFO L87 Difference]: Start difference. First operand 951 states and 1294 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 14:08:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:32,366 INFO L93 Difference]: Finished difference Result 974 states and 1311 transitions. [2022-12-14 14:08:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:08:32,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2022-12-14 14:08:32,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:32,370 INFO L225 Difference]: With dead ends: 974 [2022-12-14 14:08:32,370 INFO L226 Difference]: Without dead ends: 689 [2022-12-14 14:08:32,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2022-12-14 14:08:32,371 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 3 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:32,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1974 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:08:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2022-12-14 14:08:32,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2022-12-14 14:08:32,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 496 states have (on average 1.3165322580645162) internal successors, (653), 514 states have internal predecessors, (653), 134 states have call successors, (134), 51 states have call predecessors, (134), 51 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-12-14 14:08:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 920 transitions. [2022-12-14 14:08:32,402 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 920 transitions. Word has length 90 [2022-12-14 14:08:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:32,402 INFO L495 AbstractCegarLoop]: Abstraction has 689 states and 920 transitions. [2022-12-14 14:08:32,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 14:08:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 920 transitions. [2022-12-14 14:08:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 14:08:32,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:32,404 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:32,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2022-12-14 14:08:32,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2022-12-14 14:08:32,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:32,804 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:32,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:32,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1417723236, now seen corresponding path program 1 times [2022-12-14 14:08:32,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:32,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379580434] [2022-12-14 14:08:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:32,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:32,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:32,807 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:32,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-12-14 14:08:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:33,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:33,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:08:33,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 14:08:33,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:33,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379580434] [2022-12-14 14:08:33,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379580434] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:33,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [396148041] [2022-12-14 14:08:33,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:33,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:33,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:33,855 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2022-12-14 14:08:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:34,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:34,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:08:34,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 14:08:34,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [396148041] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:34,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776086875] [2022-12-14 14:08:34,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:34,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:34,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:34,926 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:34,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-12-14 14:08:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:35,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:08:35,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-14 14:08:35,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:35,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776086875] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:35,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:08:35,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 26 [2022-12-14 14:08:35,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952968646] [2022-12-14 14:08:35,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:35,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:08:35,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:35,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:08:35,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:08:35,606 INFO L87 Difference]: Start difference. First operand 689 states and 920 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-14 14:08:35,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:35,736 INFO L93 Difference]: Finished difference Result 1587 states and 2100 transitions. [2022-12-14 14:08:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:08:35,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 90 [2022-12-14 14:08:35,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:35,739 INFO L225 Difference]: With dead ends: 1587 [2022-12-14 14:08:35,739 INFO L226 Difference]: Without dead ends: 969 [2022-12-14 14:08:35,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:08:35,741 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 190 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:35,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1551 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:35,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2022-12-14 14:08:35,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 964. [2022-12-14 14:08:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 684 states have (on average 1.2792397660818713) internal successors, (875), 704 states have internal predecessors, (875), 190 states have call successors, (190), 83 states have call predecessors, (190), 83 states have return successors, (188), 188 states have call predecessors, (188), 187 states have call successors, (188) [2022-12-14 14:08:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1253 transitions. [2022-12-14 14:08:35,769 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1253 transitions. Word has length 90 [2022-12-14 14:08:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:35,769 INFO L495 AbstractCegarLoop]: Abstraction has 964 states and 1253 transitions. [2022-12-14 14:08:35,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-14 14:08:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1253 transitions. [2022-12-14 14:08:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-14 14:08:35,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:35,771 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:35,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-12-14 14:08:36,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-12-14 14:08:36,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2022-12-14 14:08:36,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:36,373 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:36,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:36,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1955243404, now seen corresponding path program 1 times [2022-12-14 14:08:36,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:36,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419002843] [2022-12-14 14:08:36,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:36,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:36,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:36,378 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:36,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-12-14 14:08:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:36,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:36,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 14:08:37,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 14:08:37,393 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:37,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419002843] [2022-12-14 14:08:37,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419002843] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:37,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1904072699] [2022-12-14 14:08:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:37,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:37,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:37,395 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:37,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2022-12-14 14:08:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:38,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 14:08:38,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-14 14:08:38,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:38,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1904072699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:38,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:08:38,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13, 13] total 32 [2022-12-14 14:08:38,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471616931] [2022-12-14 14:08:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:38,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 14:08:38,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:38,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 14:08:38,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2022-12-14 14:08:38,495 INFO L87 Difference]: Start difference. First operand 964 states and 1253 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-14 14:08:38,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:38,971 INFO L93 Difference]: Finished difference Result 1384 states and 1800 transitions. [2022-12-14 14:08:38,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:08:38,971 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 125 [2022-12-14 14:08:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:38,973 INFO L225 Difference]: With dead ends: 1384 [2022-12-14 14:08:38,973 INFO L226 Difference]: Without dead ends: 509 [2022-12-14 14:08:38,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=181, Invalid=1459, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 14:08:38,975 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 33 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 4327 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:38,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 4327 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:38,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-12-14 14:08:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 509. [2022-12-14 14:08:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 364 states have (on average 1.2637362637362637) internal successors, (460), 378 states have internal predecessors, (460), 96 states have call successors, (96), 43 states have call predecessors, (96), 42 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-12-14 14:08:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 649 transitions. [2022-12-14 14:08:38,988 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 649 transitions. Word has length 125 [2022-12-14 14:08:38,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:38,988 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 649 transitions. [2022-12-14 14:08:38,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-14 14:08:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 649 transitions. [2022-12-14 14:08:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 14:08:38,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:38,990 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:39,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-12-14 14:08:39,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2022-12-14 14:08:39,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:39,391 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:39,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:39,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2108414819, now seen corresponding path program 1 times [2022-12-14 14:08:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:39,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311684993] [2022-12-14 14:08:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:39,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:39,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:39,396 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-12-14 14:08:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:40,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:40,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 14:08:40,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 14:08:40,532 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:40,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311684993] [2022-12-14 14:08:40,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311684993] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:40,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1788379234] [2022-12-14 14:08:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:40,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:40,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:40,534 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:40,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2022-12-14 14:08:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:41,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:41,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 14:08:41,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 14:08:42,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1788379234] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:42,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437242798] [2022-12-14 14:08:42,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:42,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:42,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:42,034 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:42,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-12-14 14:08:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:42,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:08:42,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-14 14:08:42,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:42,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437242798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:42,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:08:42,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 26 [2022-12-14 14:08:42,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940510715] [2022-12-14 14:08:42,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:42,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:08:42,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:42,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:08:42,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:08:42,751 INFO L87 Difference]: Start difference. First operand 509 states and 649 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-14 14:08:42,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:42,872 INFO L93 Difference]: Finished difference Result 926 states and 1196 transitions. [2022-12-14 14:08:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:08:42,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 128 [2022-12-14 14:08:42,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:42,875 INFO L225 Difference]: With dead ends: 926 [2022-12-14 14:08:42,875 INFO L226 Difference]: Without dead ends: 519 [2022-12-14 14:08:42,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:08:42,876 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 3 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:42,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1324 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:42,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-12-14 14:08:42,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2022-12-14 14:08:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 370 states have (on average 1.2540540540540541) internal successors, (464), 383 states have internal predecessors, (464), 98 states have call successors, (98), 46 states have call predecessors, (98), 45 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-12-14 14:08:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 657 transitions. [2022-12-14 14:08:42,900 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 657 transitions. Word has length 128 [2022-12-14 14:08:42,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:42,900 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 657 transitions. [2022-12-14 14:08:42,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-14 14:08:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 657 transitions. [2022-12-14 14:08:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 14:08:42,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:42,903 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:42,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2022-12-14 14:08:43,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-12-14 14:08:43,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2022-12-14 14:08:43,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:43,506 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:43,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:43,507 INFO L85 PathProgramCache]: Analyzing trace with hash -676249135, now seen corresponding path program 1 times [2022-12-14 14:08:43,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:43,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612044268] [2022-12-14 14:08:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:43,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:43,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:43,510 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:43,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-12-14 14:08:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:44,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:44,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-14 14:08:44,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 14:08:44,693 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:44,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612044268] [2022-12-14 14:08:44,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612044268] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:44,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [904076604] [2022-12-14 14:08:44,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:44,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:44,695 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:44,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2022-12-14 14:08:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:45,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:45,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-14 14:08:45,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 14:08:46,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [904076604] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:46,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956532909] [2022-12-14 14:08:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:46,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:08:46,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:08:46,055 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:08:46,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-12-14 14:08:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:46,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:08:46,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-14 14:08:47,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:08:47,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956532909] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:08:47,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:08:47,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [13, 13, 13, 13] total 25 [2022-12-14 14:08:47,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914953104] [2022-12-14 14:08:47,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:47,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:08:47,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:47,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:08:47,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:08:47,073 INFO L87 Difference]: Start difference. First operand 519 states and 657 transitions. Second operand has 3 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 14:08:47,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:47,149 INFO L93 Difference]: Finished difference Result 1276 states and 1676 transitions. [2022-12-14 14:08:47,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:08:47,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 155 [2022-12-14 14:08:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:47,154 INFO L225 Difference]: With dead ends: 1276 [2022-12-14 14:08:47,154 INFO L226 Difference]: Without dead ends: 865 [2022-12-14 14:08:47,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:08:47,155 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 311 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:47,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 887 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:08:47,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2022-12-14 14:08:47,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 856. [2022-12-14 14:08:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 615 states have (on average 1.2894308943089432) internal successors, (793), 633 states have internal predecessors, (793), 162 states have call successors, (162), 77 states have call predecessors, (162), 73 states have return successors, (159), 154 states have call predecessors, (159), 155 states have call successors, (159) [2022-12-14 14:08:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1114 transitions. [2022-12-14 14:08:47,190 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1114 transitions. Word has length 155 [2022-12-14 14:08:47,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:47,191 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1114 transitions. [2022-12-14 14:08:47,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 14:08:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1114 transitions. [2022-12-14 14:08:47,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-12-14 14:08:47,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:47,192 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:47,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-12-14 14:08:47,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2022-12-14 14:08:47,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2022-12-14 14:08:47,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:47,795 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:47,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash -983569353, now seen corresponding path program 1 times [2022-12-14 14:08:47,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:47,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702590686] [2022-12-14 14:08:47,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:47,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:47,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:47,800 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:47,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-12-14 14:08:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:48,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:48,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 14:08:48,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 14:08:49,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:49,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702590686] [2022-12-14 14:08:49,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702590686] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:49,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [141359672] [2022-12-14 14:08:49,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:49,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:49,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:49,137 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:49,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2022-12-14 14:08:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:50,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:08:50,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-14 14:08:50,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-14 14:08:50,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [141359672] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 14:08:50,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:08:50,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13, 13, 7] total 34 [2022-12-14 14:08:50,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214702424] [2022-12-14 14:08:50,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:08:50,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 14:08:50,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:08:50,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 14:08:50,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=986, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 14:08:50,831 INFO L87 Difference]: Start difference. First operand 856 states and 1114 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-12-14 14:08:52,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:08:54,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:08:56,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:08:56,982 INFO L93 Difference]: Finished difference Result 860 states and 1114 transitions. [2022-12-14 14:08:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 14:08:56,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 162 [2022-12-14 14:08:56,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:08:56,986 INFO L225 Difference]: With dead ends: 860 [2022-12-14 14:08:56,986 INFO L226 Difference]: Without dead ends: 653 [2022-12-14 14:08:56,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=147, Invalid=1113, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 14:08:56,987 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 498 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 203 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:08:56,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 627 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 895 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 14:08:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2022-12-14 14:08:57,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2022-12-14 14:08:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 476 states have (on average 1.3067226890756303) internal successors, (622), 492 states have internal predecessors, (622), 120 states have call successors, (120), 51 states have call predecessors, (120), 51 states have return successors, (122), 117 states have call predecessors, (122), 118 states have call successors, (122) [2022-12-14 14:08:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 864 transitions. [2022-12-14 14:08:57,019 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 864 transitions. Word has length 162 [2022-12-14 14:08:57,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:08:57,019 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 864 transitions. [2022-12-14 14:08:57,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-12-14 14:08:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 864 transitions. [2022-12-14 14:08:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 14:08:57,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:08:57,021 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:08:57,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2022-12-14 14:08:57,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2022-12-14 14:08:57,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:57,423 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:08:57,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:08:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash 840806423, now seen corresponding path program 1 times [2022-12-14 14:08:57,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:08:57,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198281337] [2022-12-14 14:08:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:57,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:08:57,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:08:57,428 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:08:57,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-12-14 14:08:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:08:58,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:08:58,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:08:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 14:08:58,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:08:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 14:08:58,821 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:08:58,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198281337] [2022-12-14 14:08:58,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198281337] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:08:58,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [418377781] [2022-12-14 14:08:58,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:08:58,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:08:58,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:08:58,822 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:08:58,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2022-12-14 14:09:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:00,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:00,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 14:09:00,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 14:09:00,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [418377781] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:00,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907983978] [2022-12-14 14:09:00,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:00,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:09:00,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:09:00,236 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:09:00,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-12-14 14:09:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:00,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:09:00,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-14 14:09:01,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:09:01,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907983978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:09:01,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:09:01,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13, 13, 13, 13] total 26 [2022-12-14 14:09:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532447693] [2022-12-14 14:09:01,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:09:01,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:09:01,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:09:01,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:09:01,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:09:01,223 INFO L87 Difference]: Start difference. First operand 653 states and 864 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 14:09:03,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:09:05,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:09:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:09:05,576 INFO L93 Difference]: Finished difference Result 653 states and 864 transitions. [2022-12-14 14:09:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:09:05,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2022-12-14 14:09:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:09:05,580 INFO L225 Difference]: With dead ends: 653 [2022-12-14 14:09:05,580 INFO L226 Difference]: Without dead ends: 647 [2022-12-14 14:09:05,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:09:05,582 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 346 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:09:05,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 903 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 14:09:05,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-12-14 14:09:05,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2022-12-14 14:09:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 474 states have (on average 1.2953586497890295) internal successors, (614), 486 states have internal predecessors, (614), 118 states have call successors, (118), 51 states have call predecessors, (118), 51 states have return successors, (122), 117 states have call predecessors, (122), 118 states have call successors, (122) [2022-12-14 14:09:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 854 transitions. [2022-12-14 14:09:05,625 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 854 transitions. Word has length 165 [2022-12-14 14:09:05,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:09:05,625 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 854 transitions. [2022-12-14 14:09:05,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 14:09:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 854 transitions. [2022-12-14 14:09:05,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-14 14:09:05,627 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:09:05,627 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:09:05,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2022-12-14 14:09:05,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2022-12-14 14:09:06,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-12-14 14:09:06,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:09:06,229 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:09:06,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:09:06,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1535023403, now seen corresponding path program 1 times [2022-12-14 14:09:06,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:09:06,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868453218] [2022-12-14 14:09:06,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:06,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:09:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:09:06,235 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:09:06,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-12-14 14:09:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:07,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:07,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 14:09:07,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 14:09:07,540 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:09:07,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868453218] [2022-12-14 14:09:07,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868453218] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:07,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1761514370] [2022-12-14 14:09:07,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:07,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:09:07,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:09:07,542 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:09:07,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2022-12-14 14:09:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:09,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:09,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 14:09:09,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 14:09:09,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1761514370] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:09,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986152272] [2022-12-14 14:09:09,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:09,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:09:09,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:09:09,366 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:09:09,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-12-14 14:09:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:10,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:09:10,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-14 14:09:10,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:09:10,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986152272] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:09:10,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:09:10,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 25 [2022-12-14 14:09:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427990207] [2022-12-14 14:09:10,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:09:10,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:09:10,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:09:10,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:09:10,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:09:10,118 INFO L87 Difference]: Start difference. First operand 647 states and 854 transitions. Second operand has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-14 14:09:10,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:09:10,186 INFO L93 Difference]: Finished difference Result 653 states and 862 transitions. [2022-12-14 14:09:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:09:10,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 167 [2022-12-14 14:09:10,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:09:10,190 INFO L225 Difference]: With dead ends: 653 [2022-12-14 14:09:10,191 INFO L226 Difference]: Without dead ends: 652 [2022-12-14 14:09:10,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 807 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:09:10,191 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 27 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:09:10,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 873 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:09:10,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-12-14 14:09:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 649. [2022-12-14 14:09:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 476 states have (on average 1.2899159663865547) internal successors, (614), 488 states have internal predecessors, (614), 118 states have call successors, (118), 51 states have call predecessors, (118), 52 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2022-12-14 14:09:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 856 transitions. [2022-12-14 14:09:10,238 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 856 transitions. Word has length 167 [2022-12-14 14:09:10,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:09:10,238 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 856 transitions. [2022-12-14 14:09:10,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-14 14:09:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 856 transitions. [2022-12-14 14:09:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-14 14:09:10,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:09:10,240 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:09:10,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-12-14 14:09:10,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-12-14 14:09:10,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2022-12-14 14:09:10,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:09:10,842 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:09:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:09:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash 950736655, now seen corresponding path program 1 times [2022-12-14 14:09:10,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:09:10,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96373898] [2022-12-14 14:09:10,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:10,845 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:09:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:09:10,846 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:09:10,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-12-14 14:09:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:11,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:11,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 14:09:11,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-14 14:09:12,122 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:09:12,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96373898] [2022-12-14 14:09:12,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96373898] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:12,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [18133534] [2022-12-14 14:09:12,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:12,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:09:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:09:12,123 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:09:12,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-12-14 14:09:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:13,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:13,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 14:09:13,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-14 14:09:13,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [18133534] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:13,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631585599] [2022-12-14 14:09:13,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:13,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:09:13,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:09:13,751 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:09:13,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-12-14 14:09:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:14,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:09:14,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-14 14:09:14,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:09:14,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631585599] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:09:14,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:09:14,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 25 [2022-12-14 14:09:14,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266527999] [2022-12-14 14:09:14,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:09:14,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:09:14,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:09:14,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:09:14,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:09:14,493 INFO L87 Difference]: Start difference. First operand 649 states and 856 transitions. Second operand has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-14 14:09:14,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:09:14,540 INFO L93 Difference]: Finished difference Result 652 states and 860 transitions. [2022-12-14 14:09:14,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:09:14,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 178 [2022-12-14 14:09:14,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:09:14,543 INFO L225 Difference]: With dead ends: 652 [2022-12-14 14:09:14,543 INFO L226 Difference]: Without dead ends: 651 [2022-12-14 14:09:14,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:09:14,544 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 6 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:09:14,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 911 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:09:14,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2022-12-14 14:09:14,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 648. [2022-12-14 14:09:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 476 states have (on average 1.2857142857142858) internal successors, (612), 487 states have internal predecessors, (612), 118 states have call successors, (118), 51 states have call predecessors, (118), 52 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2022-12-14 14:09:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 854 transitions. [2022-12-14 14:09:14,595 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 854 transitions. Word has length 178 [2022-12-14 14:09:14,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:09:14,595 INFO L495 AbstractCegarLoop]: Abstraction has 648 states and 854 transitions. [2022-12-14 14:09:14,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-14 14:09:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 854 transitions. [2022-12-14 14:09:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-14 14:09:14,598 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:09:14,598 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:09:14,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2022-12-14 14:09:14,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2022-12-14 14:09:15,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2022-12-14 14:09:15,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:09:15,200 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:09:15,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:09:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash 274803025, now seen corresponding path program 1 times [2022-12-14 14:09:15,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:09:15,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727737468] [2022-12-14 14:09:15,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:15,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:09:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:09:15,207 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:09:15,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-12-14 14:09:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:16,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:16,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 14:09:16,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-14 14:09:16,604 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:09:16,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727737468] [2022-12-14 14:09:16,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727737468] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:16,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [446308020] [2022-12-14 14:09:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:16,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:09:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:09:16,605 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:09:16,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2022-12-14 14:09:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:17,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:09:17,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 14:09:17,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:09:17,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [446308020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:09:17,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:09:17,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13] total 25 [2022-12-14 14:09:17,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830340568] [2022-12-14 14:09:17,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:09:17,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:09:17,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:09:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:09:17,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:09:17,922 INFO L87 Difference]: Start difference. First operand 648 states and 854 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 14:09:17,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:09:17,966 INFO L93 Difference]: Finished difference Result 955 states and 1279 transitions. [2022-12-14 14:09:17,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:09:17,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 181 [2022-12-14 14:09:17,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:09:17,968 INFO L225 Difference]: With dead ends: 955 [2022-12-14 14:09:17,968 INFO L226 Difference]: Without dead ends: 646 [2022-12-14 14:09:17,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:09:17,969 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 339 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:09:17,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 453 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:09:17,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2022-12-14 14:09:18,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2022-12-14 14:09:18,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 474 states have (on average 1.2784810126582278) internal successors, (606), 485 states have internal predecessors, (606), 118 states have call successors, (118), 51 states have call predecessors, (118), 52 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2022-12-14 14:09:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 848 transitions. [2022-12-14 14:09:18,009 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 848 transitions. Word has length 181 [2022-12-14 14:09:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:09:18,009 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 848 transitions. [2022-12-14 14:09:18,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 14:09:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 848 transitions. [2022-12-14 14:09:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-12-14 14:09:18,011 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:09:18,011 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:09:18,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Ended with exit code 0 [2022-12-14 14:09:18,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2022-12-14 14:09:18,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 14:09:18,413 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:09:18,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:09:18,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1502412743, now seen corresponding path program 1 times [2022-12-14 14:09:18,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:09:18,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503800177] [2022-12-14 14:09:18,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:18,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:09:18,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:09:18,420 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:09:18,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-12-14 14:09:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:19,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:19,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 14:09:19,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-14 14:09:20,165 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:09:20,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503800177] [2022-12-14 14:09:20,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503800177] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:20,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1510319909] [2022-12-14 14:09:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:20,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:09:20,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:09:20,166 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:09:20,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2022-12-14 14:09:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:21,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:09:21,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 14:09:21,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:09:21,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1510319909] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:09:21,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:09:21,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13, 13] total 26 [2022-12-14 14:09:21,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941150968] [2022-12-14 14:09:21,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:09:21,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:09:21,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:09:21,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:09:21,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:09:21,559 INFO L87 Difference]: Start difference. First operand 646 states and 848 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 14:09:21,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:09:21,648 INFO L93 Difference]: Finished difference Result 953 states and 1273 transitions. [2022-12-14 14:09:21,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:09:21,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 182 [2022-12-14 14:09:21,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:09:21,651 INFO L225 Difference]: With dead ends: 953 [2022-12-14 14:09:21,652 INFO L226 Difference]: Without dead ends: 673 [2022-12-14 14:09:21,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:09:21,653 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 23 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:09:21,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1348 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:09:21,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-12-14 14:09:21,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 656. [2022-12-14 14:09:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 482 states have (on average 1.2759336099585061) internal successors, (615), 494 states have internal predecessors, (615), 119 states have call successors, (119), 51 states have call predecessors, (119), 53 states have return successors, (127), 118 states have call predecessors, (127), 119 states have call successors, (127) [2022-12-14 14:09:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 861 transitions. [2022-12-14 14:09:21,705 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 861 transitions. Word has length 182 [2022-12-14 14:09:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:09:21,706 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 861 transitions. [2022-12-14 14:09:21,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 14:09:21,706 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 861 transitions. [2022-12-14 14:09:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-14 14:09:21,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:09:21,707 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:09:21,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2022-12-14 14:09:21,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Ended with exit code 0 [2022-12-14 14:09:22,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:09:22,109 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-14 14:09:22,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:09:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2020769363, now seen corresponding path program 1 times [2022-12-14 14:09:22,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:09:22,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061613785] [2022-12-14 14:09:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:22,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:09:22,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:09:22,114 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:09:22,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-12-14 14:09:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:23,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:23,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-14 14:09:23,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-12-14 14:09:23,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:09:23,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061613785] [2022-12-14 14:09:23,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061613785] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:23,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1298719043] [2022-12-14 14:09:23,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:23,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 14:09:23,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 14:09:23,608 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 14:09:23,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2022-12-14 14:09:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:25,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:09:25,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:25,355 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-14 14:09:25,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:09:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-12-14 14:09:25,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1298719043] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:09:25,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409260740] [2022-12-14 14:09:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:09:25,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:09:25,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:09:25,449 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:09:25,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-12-14 14:09:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:09:26,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 14:09:26,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:09:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-12-14 14:09:26,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:09:26,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409260740] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:09:26,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 14:09:26,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 13, 13, 13] total 28 [2022-12-14 14:09:26,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835788863] [2022-12-14 14:09:26,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:09:26,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:09:26,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:09:26,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:09:26,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2022-12-14 14:09:26,720 INFO L87 Difference]: Start difference. First operand 656 states and 861 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 14:09:28,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:09:30,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:09:32,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:09:32,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:09:32,842 INFO L93 Difference]: Finished difference Result 662 states and 865 transitions. [2022-12-14 14:09:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:09:32,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 191 [2022-12-14 14:09:32,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:09:32,842 INFO L225 Difference]: With dead ends: 662 [2022-12-14 14:09:32,842 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 14:09:32,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2022-12-14 14:09:32,844 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:09:32,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 100 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 3 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 14:09:32,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 14:09:32,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 14:09:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:09:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 14:09:32,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2022-12-14 14:09:32,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:09:32,845 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 14:09:32,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 14:09:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 14:09:32,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 14:09:32,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-12-14 14:09:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-14 14:09:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-14 14:09:32,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2022-12-14 14:09:33,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2022-12-14 14:09:33,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Ended with exit code 0 [2022-12-14 14:09:33,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:09:33,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 14:09:34,509 INFO L899 garLoopResultBuilder]: For program point spin_lock_initEXIT(lines 4153 4157) no Hoare annotation was computed. [2022-12-14 14:09:34,509 INFO L899 garLoopResultBuilder]: For program point spin_lock_initFINAL(lines 4153 4157) no Hoare annotation was computed. [2022-12-14 14:09:34,509 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4153 4157) the Hoare annotation is: true [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point printkFINAL(lines 4480 4483) no Hoare annotation was computed. [2022-12-14 14:09:34,510 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4480 4483) the Hoare annotation is: true [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 4480 4483) no Hoare annotation was computed. [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point misc_deregisterEXIT(line 4524) no Hoare annotation was computed. [2022-12-14 14:09:34,510 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 4524) the Hoare annotation is: true [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point misc_deregisterFINAL(line 4524) no Hoare annotation was computed. [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1649) no Hoare annotation was computed. [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point L3244(line 3244) no Hoare annotation was computed. [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1645) no Hoare annotation was computed. [2022-12-14 14:09:34,510 INFO L902 garLoopResultBuilder]: At program point get_user_returnLabel#1(lines 3241 3247) the Hoare annotation is: true [2022-12-14 14:09:34,510 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:09:34,510 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONGFINAL(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1642-2(lines 1642 1650) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L902 garLoopResultBuilder]: At program point L1642-3(lines 1642 1650) the Hoare annotation is: true [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1651) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1632 1651) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L902 garLoopResultBuilder]: At program point zf_write_returnLabel#1(lines 1622 1663) the Hoare annotation is: true [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1660) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1660) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONGEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L902 garLoopResultBuilder]: At program point L3243(lines 3243 3244) the Hoare annotation is: true [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 1596 1619) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L902 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: true [2022-12-14 14:09:34,511 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1589 1620) no Hoare annotation was computed. [2022-12-14 14:09:34,511 INFO L902 garLoopResultBuilder]: At program point L1594-1(line 1594) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L899 garLoopResultBuilder]: For program point L1594-2(line 1594) no Hoare annotation was computed. [2022-12-14 14:09:34,512 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-12-14 14:09:34,512 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1589 1620) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L899 garLoopResultBuilder]: For program point zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-14 14:09:34,512 INFO L902 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L902 garLoopResultBuilder]: At program point L1605-1(line 1605) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L902 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-12-14 14:09:34,512 INFO L902 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L902 garLoopResultBuilder]: At program point L1612-1(line 1612) the Hoare annotation is: true [2022-12-14 14:09:34,512 INFO L899 garLoopResultBuilder]: For program point zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-14 14:09:34,513 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2022-12-14 14:09:34,513 INFO L899 garLoopResultBuilder]: For program point zf_pingEXIT(lines 1589 1620) no Hoare annotation was computed. [2022-12-14 14:09:34,513 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-12-14 14:09:34,513 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-14 14:09:34,513 INFO L902 garLoopResultBuilder]: At program point assert_context_processFINAL(lines 21 23) the Hoare annotation is: true [2022-12-14 14:09:34,513 INFO L899 garLoopResultBuilder]: For program point assert_context_processEXIT(lines 21 23) no Hoare annotation was computed. [2022-12-14 14:09:34,513 INFO L899 garLoopResultBuilder]: For program point L3962(lines 3962 3963) no Hoare annotation was computed. [2022-12-14 14:09:34,513 INFO L899 garLoopResultBuilder]: For program point zf_readwFINAL(lines 1467 1471) no Hoare annotation was computed. [2022-12-14 14:09:34,513 INFO L895 garLoopResultBuilder]: At program point inw_returnLabel#1(lines 3960 3966) the Hoare annotation is: (or (not (= (_ bv0 32) ~next_heartbeat~0)) (not (= (_ bv0 16) ~number_cdev_registered~0)) (not (= ~jiffies~0 (_ bv0 32))) (not (= ~ddv_ioport_request_start~0 (_ bv0 32))) (not (= ~fixed_cdev_used~0 (_ bv0 32))) (not (= (_ bv0 16) ~number_timer_registered~0)) (not (= ~nowayout~0 (_ bv0 32))) (not (= ~ddv_ioport_request_len~0 (_ bv0 32)))) [2022-12-14 14:09:34,514 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1467 1471) the Hoare annotation is: true [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L902 garLoopResultBuilder]: At program point L1469(line 1469) the Hoare annotation is: true [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point L1469-1(line 1469) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point L3963-1(line 3963) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point L3963(line 3963) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point L3963-2(line 3963) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point L3963-4(line 3963) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L895 garLoopResultBuilder]: At program point L12-3(line 12) the Hoare annotation is: (or (not (= (_ bv0 32) ~next_heartbeat~0)) (not (= (_ bv0 16) ~number_cdev_registered~0)) (not (= ~jiffies~0 (_ bv0 32))) (not (= ~ddv_ioport_request_start~0 (_ bv0 32))) (not (= ~fixed_cdev_used~0 (_ bv0 32))) (not (= (_ bv0 16) ~number_timer_registered~0)) (not (= ~nowayout~0 (_ bv0 32))) (not (= ~ddv_ioport_request_len~0 (_ bv0 32)))) [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point zf_readwEXIT(lines 1467 1471) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,514 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point L1553(line 1553) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point zf_timer_offEXIT(lines 1537 1554) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point L1551(line 1551) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point L1550(line 1550) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point L1550-1(line 1550) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point L1547(line 1547) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1537 1554) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point L1545(line 1545) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point L1545-1(line 1545) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point L1543(line 1543) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point L1543-1(line 1543) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point zf_timer_offFINAL(lines 1537 1554) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point L4161(lines 4161 4162) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4159 4169) the Hoare annotation is: true [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point spin_lockFINAL(lines 4159 4169) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point spin_lockEXIT(lines 4159 4169) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point outwFINAL(lines 3968 3970) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L899 garLoopResultBuilder]: For program point outwEXIT(lines 3968 3970) no Hoare annotation was computed. [2022-12-14 14:09:34,515 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3968 3970) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1522(lines 1522 1532) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point zf_close_returnLabel#1(lines 1708 1724) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1713(line 1713) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point L1713-1(line 1713) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTFINAL(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1565-1(line 1565) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point L4505(line 4505) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 1531) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1714(line 1714) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point L1714-1(line 1714) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1582-1(line 1582) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:09:34,516 INFO L899 garLoopResultBuilder]: For program point L1698(lines 1698 1699) no Hoare annotation was computed. [2022-12-14 14:09:34,516 INFO L902 garLoopResultBuilder]: At program point L1698-2(lines 1698 1699) the Hoare annotation is: true [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L1525-1(lines 1524 1531) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L902 garLoopResultBuilder]: At program point zf_open_returnLabel#1(lines 1690 1706) the Hoare annotation is: true [2022-12-14 14:09:34,517 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L4515(lines 4515 4521) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L902 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: true [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L902 garLoopResultBuilder]: At program point L1526(line 1526) the Hoare annotation is: true [2022-12-14 14:09:34,517 INFO L902 garLoopResultBuilder]: At program point L1526-1(line 1526) the Hoare annotation is: true [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L4508-1(line 4508) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L902 garLoopResultBuilder]: At program point L1692(line 1692) the Hoare annotation is: true [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L4508-2(line 4508) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L1692-1(line 1692) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L4508(line 4508) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L1560(lines 1560 1586) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L1527(line 1527) no Hoare annotation was computed. [2022-12-14 14:09:34,517 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 1524 1531) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L1717(line 1717) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: true [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point L1577-1(line 1577) the Hoare annotation is: true [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L4517-2(line 4517) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L1701(line 1701) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point nonseekable_open_returnLabel#1(line 4504) the Hoare annotation is: true [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L4517(line 4517) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L4517-1(line 4517) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point test_and_set_bit_returnLabel#1(lines 4506 4513) the Hoare annotation is: true [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1696) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point L1528(line 1528) the Hoare annotation is: true [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point L1528-1(line 1528) the Hoare annotation is: true [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 1715) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point L1710-1(lines 1710 1715) the Hoare annotation is: true [2022-12-14 14:09:34,518 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-14 14:09:34,518 INFO L902 garLoopResultBuilder]: At program point L1694(line 1694) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point L1694-1(line 1694) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point L1529(line 1529) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L902 garLoopResultBuilder]: At program point L1719(line 1719) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point L1719-1(line 1719) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L902 garLoopResultBuilder]: At program point L1711(line 1711) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3956 3958) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point outbEXIT(lines 3956 3958) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point outbFINAL(lines 3956 3958) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point ##fun~C_ULONG~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point ##fun~C_ULONG~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4256 4263) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point add_timerEXIT(lines 4256 4263) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point add_timerFINAL(lines 4256 4263) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L902 garLoopResultBuilder]: At program point zf_ioctl_returnLabel#1(lines 1665 1688) the Hoare annotation is: true [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point L3260(line 3260) no Hoare annotation was computed. [2022-12-14 14:09:34,519 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INTEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L1683(line 1683) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L1679(line 1679) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L1671(line 1671) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point L3267(lines 3267 3268) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point L3259(lines 3259 3260) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INTFINAL(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L1676(line 1676) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 1673) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point copy_to_user_returnLabel#1(lines 3265 3271) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point L1670(lines 1670 1685) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L3268(line 3268) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point put_user_returnLabel#1(lines 3257 3263) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L4209(lines 4209 4213) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point spin_unlockFINAL(lines 4207 4214) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4207 4214) the Hoare annotation is: true [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point spin_unlockEXIT(lines 4207 4214) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-12-14 14:09:34,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 11) the Hoare annotation is: true [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point release_regionEXIT(lines 3939 3949) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3939 3949) the Hoare annotation is: true [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point release_regionFINAL(lines 3939 3949) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginFINAL(line 4534) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginEXIT(line 4534) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point L4218(lines 4218 4222) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 4216 4223) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4216 4223) the Hoare annotation is: true [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreFINAL(lines 4216 4223) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endEXIT(line 4535) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endFINAL(line 4535) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point del_timerEXIT(lines 4271 4274) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4271 4274) the Hoare annotation is: true [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point del_timerFINAL(lines 4271 4274) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveEXIT(lines 4171 4181) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveFINAL(lines 4171 4181) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L899 garLoopResultBuilder]: For program point L4173(lines 4173 4174) no Hoare annotation was computed. [2022-12-14 14:09:34,521 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4171 4181) the Hoare annotation is: true [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point zf_get_controlFINAL(lines 1506 1509) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1506 1509) the Hoare annotation is: true [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point zf_get_controlEXIT(lines 1506 1509) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L1508(line 1508) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point request_regionFINAL(lines 3925 3937) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3925 3937) the Hoare annotation is: true [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point request_regionEXIT(lines 3925 3937) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L1786(lines 1786 1789) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L2843(line 2843) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L1786-2(lines 1786 1789) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L2777(line 2777) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L902 garLoopResultBuilder]: At program point call_ddv_returnLabel#1(lines 2723 2743) the Hoare annotation is: true [2022-12-14 14:09:34,522 INFO L895 garLoopResultBuilder]: At program point L4363(line 4363) the Hoare annotation is: false [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L4363-1(line 4363) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L2778(lines 2778 2786) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L2811(line 2811) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2721) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L899 garLoopResultBuilder]: For program point L3505-1(line 3505) no Hoare annotation was computed. [2022-12-14 14:09:34,522 INFO L895 garLoopResultBuilder]: At program point L3505(line 3505) the Hoare annotation is: false [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2878(line 2878) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2812(lines 2812 2820) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2713(line 2713) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L895 garLoopResultBuilder]: At program point no_llseek_returnLabel#1(line 4498) the Hoare annotation is: false [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L4365(lines 4365 4368) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L3110(lines 3110 3119) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2846(line 2846) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L895 garLoopResultBuilder]: At program point ##fun~~TO~C_INT_returnLabel#1(line -1) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_##fun~~TO~C_INT_#res#1|)) (not (= |ULTIMATE.start_zf_init_#res#1| (_ bv0 32))) .cse0 (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= (bvadd (_ bv19 32) |ULTIMATE.start_##fun~~TO~C_INT_#res#1|) (_ bv0 32)) .cse0 (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (bvadd |ULTIMATE.start_zf_init_#res#1| (_ bv19 32)) (_ bv0 32))))) [2022-12-14 14:09:34,523 INFO L895 garLoopResultBuilder]: At program point L4366(line 4366) the Hoare annotation is: false [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L4366-1(line 4366) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2847(lines 2847 2848) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L895 garLoopResultBuilder]: At program point L2748(lines 2748 2899) the Hoare annotation is: false [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2847-2(lines 2847 2855) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2881(line 2881) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L895 garLoopResultBuilder]: At program point L2782(lines 2782 2785) the Hoare annotation is: false [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2782-1(lines 2782 2785) no Hoare annotation was computed. [2022-12-14 14:09:34,523 INFO L899 garLoopResultBuilder]: For program point L2683-1(lines 2683 2720) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point L2683-3(lines 2683 2720) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point L2816(lines 2816 2819) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L2849-1(lines 2849 2850) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point L2849(lines 2849 2850) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L2816-1(lines 2816 2819) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L2717(line 2717) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point L1793(line 1793) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point L1793-1(line 1793) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~~loff_t~0~X~C_INT~TO~~loff_t~0_returnLabel#1(line -1) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L2884(line 2884) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L1794(line 1794) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L895 garLoopResultBuilder]: At program point L2686(lines 2686 2719) the Hoare annotation is: false [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3118) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1848 1855) the Hoare annotation is: true [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-12-14 14:09:34,524 INFO L899 garLoopResultBuilder]: For program point L2852(lines 2852 2854) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L895 garLoopResultBuilder]: At program point L1828(lines 1775 1833) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L2687(line 2687) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: false [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L1830(line 1830) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L2887(line 2887) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 1801) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L2788(line 2788) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L895 garLoopResultBuilder]: At program point L1500(line 1500) the Hoare annotation is: false [2022-12-14 14:09:34,525 INFO L895 garLoopResultBuilder]: At program point L1500-1(line 1500) the Hoare annotation is: false [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L1500-2(lines 1498 1501) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L895 garLoopResultBuilder]: At program point L1831(lines 1775 1833) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-12-14 14:09:34,525 INFO L895 garLoopResultBuilder]: At program point L1798(lines 1798 1799) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L1798-1(lines 1798 1799) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L2823(line 2823) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L2890(line 2890) no Hoare annotation was computed. [2022-12-14 14:09:34,525 INFO L899 garLoopResultBuilder]: For program point L2857(line 2857) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1772) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L2791(line 2791) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L4245(lines 4245 4254) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L2792(lines 2792 2800) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L2759(lines 2759 2761) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L2826(line 2826) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4253) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L2860(line 2860) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L2893(line 2893) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L895 garLoopResultBuilder]: At program point L1803(line 1803) the Hoare annotation is: false [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L1803-1(lines 1803 1808) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L895 garLoopResultBuilder]: At program point L1804(lines 1804 1805) the Hoare annotation is: (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) [2022-12-14 14:09:34,526 INFO L895 garLoopResultBuilder]: At program point L1771(line 1771) the Hoare annotation is: false [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L1804-1(lines 1804 1805) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L1771-1(line 1771) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L899 garLoopResultBuilder]: For program point L2663(lines 2663 2677) no Hoare annotation was computed. [2022-12-14 14:09:34,526 INFO L895 garLoopResultBuilder]: At program point L1838(line 1838) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)))) (or (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) .cse0 (= ~ddv_ioport_request_start~0 (_ bv0 32))) (and (not (= ((_ sign_extend 16) ~number_cdev_registered~0) (_ bv0 32))) .cse0 (= (_ bv536 32) ~ddv_ioport_request_start~0) (= (_ bv3 32) ~ddv_ioport_request_len~0)))) [2022-12-14 14:09:34,527 INFO L895 garLoopResultBuilder]: At program point L2796(lines 2796 2799) the Hoare annotation is: false [2022-12-14 14:09:34,527 INFO L902 garLoopResultBuilder]: At program point L1838-1(line 1838) the Hoare annotation is: true [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2829(line 2829) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L895 garLoopResultBuilder]: At program point zf_init_no_reboot#1(lines 1775 1833) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2799) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L3094(lines 3094 3106) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2896(line 2896) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2863(line 2863) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L895 garLoopResultBuilder]: At program point L2764(line 2764) the Hoare annotation is: false [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2698(line 2698) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2764-1(line 2764) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L902 garLoopResultBuilder]: At program point ##fun~~TO~VOID_returnLabel#1(line -1) the Hoare annotation is: true [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L3029(lines 3029 3041) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L1840(line 1840) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L4252-1(line 4252) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L4252(line 4252) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2832(line 2832) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L895 garLoopResultBuilder]: At program point L2766(lines 2766 2898) the Hoare annotation is: false [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2733(lines 2733 2735) no Hoare annotation was computed. [2022-12-14 14:09:34,527 INFO L899 garLoopResultBuilder]: For program point L2667-1(line 2667) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L895 garLoopResultBuilder]: At program point L2667(line 2667) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0)) [2022-12-14 14:09:34,528 INFO L895 garLoopResultBuilder]: At program point register_reboot_notifier_returnLabel#1(line 4523) the Hoare annotation is: false [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L3097-1(line 3097) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L895 garLoopResultBuilder]: At program point L3097(line 3097) the Hoare annotation is: false [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2866(line 2866) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L902 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: true [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L1842-1(lines 1836 1843) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2833(lines 2833 2834) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2767(line 2767) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2833-2(lines 2833 2841) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2768(lines 2768 2775) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2669-3(line 2669) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2669-2(lines 2669 2671) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L895 garLoopResultBuilder]: At program point L2669-5(lines 2669 2671) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_init_kernel_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33))) [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2669-4(line 2669) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L2669-6(lines 2669 2671) no Hoare annotation was computed. [2022-12-14 14:09:34,528 INFO L899 garLoopResultBuilder]: For program point L3099(lines 3099 3100) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L3099-2(lines 3099 3105) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1815) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L2802(line 2802) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L2835-1(lines 2835 2836) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L895 garLoopResultBuilder]: At program point L1778(line 1778) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0)) [2022-12-14 14:09:34,529 INFO L895 garLoopResultBuilder]: At program point L2835(lines 2835 2836) the Hoare annotation is: false [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L1778-1(line 1778) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L2703(line 2703) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L3496(lines 3496 3508) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L902 garLoopResultBuilder]: At program point unregister_reboot_notifier_returnLabel#1(line 4525) the Hoare annotation is: true [2022-12-14 14:09:34,529 INFO L895 garLoopResultBuilder]: At program point L1812(lines 1812 1813) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L2869(line 2869) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L1812-1(lines 1812 1813) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L899 garLoopResultBuilder]: For program point L3035-1(line 3035) no Hoare annotation was computed. [2022-12-14 14:09:34,529 INFO L895 garLoopResultBuilder]: At program point L3035(line 3035) the Hoare annotation is: false [2022-12-14 14:09:34,529 INFO L895 garLoopResultBuilder]: At program point L1780(line 1780) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0)) [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L1780-1(line 1780) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L3498(line 3498) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L3498-1(line 3498) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L895 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: false [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L3102-1(line 3102) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L2838(lines 2838 2840) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1784) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L2805(line 2805) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L2673-3(line 2673) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L2673-2(lines 2673 2676) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L895 garLoopResultBuilder]: At program point L2673-5(lines 2673 2676) the Hoare annotation is: (let ((.cse0 (= ~jiffies~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~next_heartbeat~0)) (.cse2 (= (_ bv0 16) ~number_timer_registered~0)) (.cse3 (= ~ddv_ioport_request_len~0 (_ bv0 32))) (.cse4 (= ~nowayout~0 (_ bv0 32))) (.cse5 (= ~fixed_cdev_used~0 (_ bv0 32))) (.cse6 (= ~ddv_ioport_request_start~0 (_ bv0 32))) (.cse7 (= (_ bv0 16) ~number_cdev_registered~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) .cse5 .cse6 .cse7))) [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L2673-4(line 2673) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L895 garLoopResultBuilder]: At program point zf_init_returnLabel#1(lines 1774 1833) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)))) (or (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) .cse0 (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (bvadd |ULTIMATE.start_zf_init_#res#1| (_ bv19 32)) (_ bv0 32))) (and (not (= |ULTIMATE.start_zf_init_#res#1| (_ bv0 32))) .cse0 (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))))) [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L3037(lines 3037 3040) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L3037-2(lines 3037 3040) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L2872(line 2872) no Hoare annotation was computed. [2022-12-14 14:09:34,530 INFO L895 garLoopResultBuilder]: At program point L1782(line 1782) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32))) [2022-12-14 14:09:34,530 INFO L899 garLoopResultBuilder]: For program point L1782-1(line 1782) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L2708(line 2708) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L4360(lines 4360 4369) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L2808(line 2808) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L895 garLoopResultBuilder]: At program point L1818(line 1818) the Hoare annotation is: false [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L2875(line 2875) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L1818-1(line 1818) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L895 garLoopResultBuilder]: At program point misc_register_returnLabel#1(lines 3491 3509) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_misc_register_#res#1| (_ bv0 32))) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point cdev_addFINAL(lines 3846 3869) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L3862(line 3862) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L3862-1(line 3862) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point cdev_addEXIT(lines 3846 3869) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L3854(lines 3854 3866) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L3855(lines 3855 3865) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L902 garLoopResultBuilder]: At program point L3852(line 3852) the Hoare annotation is: true [2022-12-14 14:09:34,531 INFO L899 garLoopResultBuilder]: For program point L3852-1(lines 3847 3869) no Hoare annotation was computed. [2022-12-14 14:09:34,531 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3846 3869) the Hoare annotation is: true [2022-12-14 14:09:34,532 INFO L899 garLoopResultBuilder]: For program point cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-12-14 14:09:34,532 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1511 1514) the Hoare annotation is: true [2022-12-14 14:09:34,532 INFO L902 garLoopResultBuilder]: At program point L1513(line 1513) the Hoare annotation is: true [2022-12-14 14:09:34,532 INFO L902 garLoopResultBuilder]: At program point L1513-1(line 1513) the Hoare annotation is: true [2022-12-14 14:09:34,532 INFO L899 garLoopResultBuilder]: For program point zf_set_controlEXIT(lines 1511 1514) no Hoare annotation was computed. [2022-12-14 14:09:34,532 INFO L899 garLoopResultBuilder]: For program point zf_set_controlFINAL(lines 1511 1514) no Hoare annotation was computed. [2022-12-14 14:09:34,534 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:09:34,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:09:34,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:09:34 BoogieIcfgContainer [2022-12-14 14:09:34,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:09:34,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:09:34,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:09:34,547 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:09:34,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:08:13" (3/4) ... [2022-12-14 14:09:34,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 14:09:34,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-12-14 14:09:34,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-12-14 14:09:34,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~C_ULONG~TO~VOID [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-12-14 14:09:34,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-12-14 14:09:34,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-12-14 14:09:34,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-12-14 14:09:34,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2022-12-14 14:09:34,578 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2022-12-14 14:09:34,581 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-14 14:09:34,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 14:09:34,586 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 14:09:34,589 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 14:09:34,618 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && !(\result == 0bv32)) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) && !(ret == 0bv32) [2022-12-14 14:09:34,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) || ((!(\result == 0bv32) && i == 1bv32) && !(ret == 0bv32)) [2022-12-14 14:09:34,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && !(\result == 0bv32)) && i == 1bv32) && !(ret == 0bv32)) || (((((ddv_ioport_request_len == 0bv32 && ~bvadd128(19bv32, \result) == 0bv32) && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) [2022-12-14 14:09:34,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:09:34,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:09:34,703 INFO L158 Benchmark]: Toolchain (without parser) took 86869.37ms. Allocated memory was 77.6MB in the beginning and 237.0MB in the end (delta: 159.4MB). Free memory was 51.8MB in the beginning and 122.8MB in the end (delta: -71.0MB). Peak memory consumption was 176.4MB. Max. memory is 16.1GB. [2022-12-14 14:09:34,703 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:09:34,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1388.34ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.7MB in the beginning and 48.1MB in the end (delta: 3.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-12-14 14:09:34,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.67ms. Allocated memory is still 94.4MB. Free memory was 47.7MB in the beginning and 39.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 14:09:34,704 INFO L158 Benchmark]: Boogie Preprocessor took 57.64ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 49.2MB in the end (delta: -9.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-12-14 14:09:34,704 INFO L158 Benchmark]: RCFGBuilder took 4294.24ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 49.2MB in the beginning and 73.3MB in the end (delta: -24.1MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-12-14 14:09:34,705 INFO L158 Benchmark]: TraceAbstraction took 80898.60ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 72.3MB in the beginning and 57.8MB in the end (delta: 14.4MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2022-12-14 14:09:34,705 INFO L158 Benchmark]: Witness Printer took 156.39ms. Allocated memory is still 237.0MB. Free memory was 57.8MB in the beginning and 122.8MB in the end (delta: -65.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-12-14 14:09:34,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1388.34ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.7MB in the beginning and 48.1MB in the end (delta: 3.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.67ms. Allocated memory is still 94.4MB. Free memory was 47.7MB in the beginning and 39.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.64ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 49.2MB in the end (delta: -9.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4294.24ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 49.2MB in the beginning and 73.3MB in the end (delta: -24.1MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * TraceAbstraction took 80898.60ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 72.3MB in the beginning and 57.8MB in the end (delta: 14.4MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. * Witness Printer took 156.39ms. Allocated memory is still 237.0MB. Free memory was 57.8MB in the beginning and 122.8MB in the end (delta: -65.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 396 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 80.8s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 3772 SdHoareTripleChecker+Valid, 17.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3705 mSDsluCounter, 31493 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22278 mSDsCounter, 378 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1558 IncrementalHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 378 mSolverCounterUnsat, 9215 mSDtfsCounter, 1558 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8943 GetRequests, 8505 SyntacticMatches, 0 SemanticMatches, 438 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=964occurred in iteration=10, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 58 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 134 LocationsWithAnnotation, 3610 PreInvPairs, 3734 NumberOfFragments, 531 HoareAnnotationTreeSize, 3610 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 134 FomulaSimplificationsInter, 1189 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.1s SsaConstructionTime, 14.7s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 5447 NumberOfCodeBlocks, 5447 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 8911 ConstructedInterpolants, 0 QuantifiedInterpolants, 15993 SizeOfPredicates, 191 NumberOfNonLiveVariables, 46323 ConjunctsInSsa, 404 ConjunctsInUnsatCore, 83 InterpolantComputations, 18 PerfectInterpolantSequences, 3143/5386 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: i == 1bv32 && !(ret == 0bv32) - InvariantResult [Line: 3257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == next_heartbeat) || !(0bv16 == number_cdev_registered)) || !(jiffies == 0bv32)) || !(ddv_ioport_request_start == 0bv32)) || !(fixed_cdev_used == 0bv32)) || !(0bv16 == number_timer_registered)) || !(nowayout == 0bv32)) || !(ddv_ioport_request_len == 0bv32) - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: i == 1bv32 && !(ret == 0bv32) - InvariantResult [Line: 2723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: i == 1bv32 && !(ret == 0bv32) - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2673]: Loop Invariant Derived loop invariant: ((((((((jiffies == 0bv32 && 0bv32 == next_heartbeat) && 0bv16 == number_timer_registered) && ddv_ioport_request_len == 0bv32) && i == 0bv32) && nowayout == 0bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) || ((((((((jiffies == 0bv32 && 0bv32 == next_heartbeat) && 0bv16 == number_timer_registered) && ddv_ioport_request_len == 0bv32) && nowayout == 0bv32) && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3491]: Loop Invariant Derived loop invariant: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && !(\result == 0bv32)) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) && !(ret == 0bv32) - InvariantResult [Line: 1665]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1774]: Loop Invariant Derived loop invariant: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) || ((!(\result == 0bv32) && i == 1bv32) && !(ret == 0bv32)) - InvariantResult [Line: 2669]: Loop Invariant Derived loop invariant: (((((((jiffies == 0bv32 && 0bv32 == next_heartbeat) && 0bv16 == number_timer_registered) && ddv_ioport_request_len == 0bv32) && nowayout == 0bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) && ~bvsle17(~bvadd128(~sign_extendFrom16To17(i), 1bv33), 2147483647bv33) - InvariantResult [Line: 2686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && !(\result == 0bv32)) && i == 1bv32) && !(ret == 0bv32)) || (((((ddv_ioport_request_len == 0bv32 && ~bvadd128(19bv32, \result) == 0bv32) && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) - InvariantResult [Line: 1708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3960]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == next_heartbeat) || !(0bv16 == number_cdev_registered)) || !(jiffies == 0bv32)) || !(ddv_ioport_request_start == 0bv32)) || !(fixed_cdev_used == 0bv32)) || !(0bv16 == number_timer_registered)) || !(nowayout == 0bv32)) || !(ddv_ioport_request_len == 0bv32) - InvariantResult [Line: 4498]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-14 14:09:34,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3569882c-9c2c-405a-b1b2-8dc3dcfa4f70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE