./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- 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-38b53e6 [2022-11-25 23:14:45,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:14:45,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:14:45,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:14:45,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:14:45,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:14:45,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:14:45,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:14:45,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:14:45,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:14:45,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:14:45,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:14:45,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:14:45,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:14:45,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:14:45,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:14:45,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:14:45,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:14:45,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:14:45,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:14:45,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:14:45,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:14:45,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:14:45,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:14:45,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:14:45,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:14:45,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:14:45,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:14:45,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:14:45,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:14:45,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:14:45,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:14:45,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:14:45,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:14:45,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:14:45,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:14:45,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:14:45,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:14:45,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:14:45,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:14:45,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:14:45,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:14:45,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:14:45,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:14:45,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:14:45,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:14:45,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:14:45,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:14:45,719 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:14:45,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:14:45,720 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:14:45,720 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:14:45,721 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:14:45,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:14:45,722 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:14:45,722 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:14:45,722 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:14:45,723 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:14:45,723 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:14:45,723 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:14:45,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:14:45,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:14:45,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:14:45,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:14:45,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:14:45,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:14:45,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:14:45,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:14:45,727 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:14:45,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:14:45,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:14:45,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:14:45,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:14:45,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:14:45,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:45,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:14:45,730 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:14:45,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:14:45,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:14:45,731 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:14:45,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:14:45,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:14:45,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:14:45,732 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_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-25 23:14:46,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:14:46,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:14:46,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:14:46,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:14:46,079 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:14:46,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-25 23:14:49,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:14:49,534 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:14:49,540 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-25 23:14:49,561 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/data/51c1034bd/2aba5d09a9a149269a8d5391cf368f4f/FLAG97af104ce [2022-11-25 23:14:49,585 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/data/51c1034bd/2aba5d09a9a149269a8d5391cf368f4f [2022-11-25 23:14:49,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:14:49,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:14:49,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:14:49,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:14:49,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:14:49,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:49" (1/1) ... [2022-11-25 23:14:49,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc5159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:49, skipping insertion in model container [2022-11-25 23:14:49,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:49" (1/1) ... [2022-11-25 23:14:49,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:14:49,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:14:50,085 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_bd85717c-4329-46bb-9372-5630cefbf144/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-25 23:14:50,098 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_bd85717c-4329-46bb-9372-5630cefbf144/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-25 23:14:50,104 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_bd85717c-4329-46bb-9372-5630cefbf144/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-25 23:14:50,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:14:50,134 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:14:50,199 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_bd85717c-4329-46bb-9372-5630cefbf144/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-25 23:14:50,204 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_bd85717c-4329-46bb-9372-5630cefbf144/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-25 23:14:50,209 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_bd85717c-4329-46bb-9372-5630cefbf144/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-25 23:14:50,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:14:50,259 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:14:50,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50 WrapperNode [2022-11-25 23:14:50,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:14:50,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:14:50,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:14:50,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:14:50,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,324 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2022-11-25 23:14:50,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:14:50,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:14:50,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:14:50,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:14:50,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:14:50,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:14:50,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:14:50,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:14:50,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:14:50,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:14:50,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:14:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:14:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-25 23:14:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-25 23:14:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-25 23:14:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-25 23:14:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:14:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 23:14:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:14:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:14:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:14:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:14:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:14:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:14:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:14:50,492 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:14:50,747 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:14:50,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:14:51,123 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:14:51,132 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:14:51,135 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:14:51,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:14:51 BoogieIcfgContainer [2022-11-25 23:14:51,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:14:51,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:14:51,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:14:51,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:14:51,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:14:49" (1/3) ... [2022-11-25 23:14:51,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7702264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:14:51, skipping insertion in model container [2022-11-25 23:14:51,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (2/3) ... [2022-11-25 23:14:51,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7702264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:14:51, skipping insertion in model container [2022-11-25 23:14:51,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:14:51" (3/3) ... [2022-11-25 23:14:51,152 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-25 23:14:51,162 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:14:51,173 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:14:51,174 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 23:14:51,174 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:14:51,345 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 23:14:51,396 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:14:51,413 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 158 transitions, 332 flow [2022-11-25 23:14:51,419 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 158 transitions, 332 flow [2022-11-25 23:14:51,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 158 transitions, 332 flow [2022-11-25 23:14:51,568 INFO L130 PetriNetUnfolder]: 11/156 cut-off events. [2022-11-25 23:14:51,568 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 23:14:51,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 156 events. 11/156 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 288 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2022-11-25 23:14:51,583 INFO L119 LiptonReduction]: Number of co-enabled transitions 4890 [2022-11-25 23:15:10,128 INFO L134 LiptonReduction]: Checked pairs total: 9602 [2022-11-25 23:15:10,129 INFO L136 LiptonReduction]: Total number of compositions: 152 [2022-11-25 23:15:10,143 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 39 transitions, 94 flow [2022-11-25 23:15:10,181 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 260 states, 255 states have (on average 3.0862745098039217) internal successors, (787), 259 states have internal predecessors, (787), 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) [2022-11-25 23:15:10,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:15:10,208 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;@24bd62b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:15:10,209 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 23:15:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 260 states, 255 states have (on average 3.0862745098039217) internal successors, (787), 259 states have internal predecessors, (787), 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) [2022-11-25 23:15:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:15:10,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:10,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:15:10,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:10,224 INFO L85 PathProgramCache]: Analyzing trace with hash 19457908, now seen corresponding path program 1 times [2022-11-25 23:15:10,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:10,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831187487] [2022-11-25 23:15:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:10,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:10,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:10,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831187487] [2022-11-25 23:15:10,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831187487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:10,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:10,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:15:10,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177092339] [2022-11-25 23:15:10,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:10,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:15:10,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:10,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:15:10,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:15:10,489 INFO L87 Difference]: Start difference. First operand has 260 states, 255 states have (on average 3.0862745098039217) internal successors, (787), 259 states have internal predecessors, (787), 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-25 23:15:10,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:10,594 INFO L93 Difference]: Finished difference Result 238 states and 661 transitions. [2022-11-25 23:15:10,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:15:10,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-25 23:15:10,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:10,626 INFO L225 Difference]: With dead ends: 238 [2022-11-25 23:15:10,626 INFO L226 Difference]: Without dead ends: 238 [2022-11-25 23:15:10,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:15:10,632 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:10,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:10,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-25 23:15:10,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2022-11-25 23:15:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 235 states have (on average 2.8127659574468087) internal successors, (661), 237 states have internal predecessors, (661), 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) [2022-11-25 23:15:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 661 transitions. [2022-11-25 23:15:10,717 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 661 transitions. Word has length 4 [2022-11-25 23:15:10,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:10,718 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 661 transitions. [2022-11-25 23:15:10,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-25 23:15:10,719 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 661 transitions. [2022-11-25 23:15:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:15:10,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:10,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:15:10,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:15:10,720 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:10,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:10,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1519123410, now seen corresponding path program 1 times [2022-11-25 23:15:10,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:10,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346947290] [2022-11-25 23:15:10,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:10,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:11,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:11,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346947290] [2022-11-25 23:15:11,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346947290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:11,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:11,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:11,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870967235] [2022-11-25 23:15:11,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:11,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:11,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:11,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:11,036 INFO L87 Difference]: Start difference. First operand 238 states and 661 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-25 23:15:11,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:11,148 INFO L93 Difference]: Finished difference Result 350 states and 958 transitions. [2022-11-25 23:15:11,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:11,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2022-11-25 23:15:11,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:11,154 INFO L225 Difference]: With dead ends: 350 [2022-11-25 23:15:11,154 INFO L226 Difference]: Without dead ends: 350 [2022-11-25 23:15:11,154 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 [2022-11-25 23:15:11,157 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:11,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 8 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-11-25 23:15:11,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 342. [2022-11-25 23:15:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 339 states have (on average 2.799410029498525) internal successors, (949), 341 states have internal predecessors, (949), 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) [2022-11-25 23:15:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 949 transitions. [2022-11-25 23:15:11,203 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 949 transitions. Word has length 6 [2022-11-25 23:15:11,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:11,204 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 949 transitions. [2022-11-25 23:15:11,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-25 23:15:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 949 transitions. [2022-11-25 23:15:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:15:11,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:11,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:11,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:15:11,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:11,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:11,208 INFO L85 PathProgramCache]: Analyzing trace with hash -151817631, now seen corresponding path program 1 times [2022-11-25 23:15:11,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:11,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134959133] [2022-11-25 23:15:11,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:11,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:11,240 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:11,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739758120] [2022-11-25 23:15:11,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:11,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:11,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:11,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:11,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:15:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:11,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 23:15:11,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:11,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:11,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:11,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:11,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134959133] [2022-11-25 23:15:11,414 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:11,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739758120] [2022-11-25 23:15:11,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739758120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:11,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:11,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:11,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358549591] [2022-11-25 23:15:11,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:11,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:11,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:11,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:11,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:11,416 INFO L87 Difference]: Start difference. First operand 342 states and 949 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-25 23:15:11,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:11,559 INFO L93 Difference]: Finished difference Result 386 states and 1065 transitions. [2022-11-25 23:15:11,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:15:11,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2022-11-25 23:15:11,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:11,563 INFO L225 Difference]: With dead ends: 386 [2022-11-25 23:15:11,563 INFO L226 Difference]: Without dead ends: 386 [2022-11-25 23:15:11,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:11,564 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 38 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:11,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 16 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:11,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-11-25 23:15:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 364. [2022-11-25 23:15:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 361 states have (on average 2.789473684210526) internal successors, (1007), 363 states have internal predecessors, (1007), 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) [2022-11-25 23:15:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 1007 transitions. [2022-11-25 23:15:11,579 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 1007 transitions. Word has length 7 [2022-11-25 23:15:11,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:11,580 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 1007 transitions. [2022-11-25 23:15:11,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-25 23:15:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1007 transitions. [2022-11-25 23:15:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:15:11,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:11,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:11,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:11,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:11,788 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:11,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:11,789 INFO L85 PathProgramCache]: Analyzing trace with hash -77230710, now seen corresponding path program 1 times [2022-11-25 23:15:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:11,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113421907] [2022-11-25 23:15:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:11,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:11,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113421907] [2022-11-25 23:15:11,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113421907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:11,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:11,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:11,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640181183] [2022-11-25 23:15:11,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:11,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:11,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:11,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:11,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:11,899 INFO L87 Difference]: Start difference. First operand 364 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-25 23:15:11,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:11,997 INFO L93 Difference]: Finished difference Result 432 states and 1163 transitions. [2022-11-25 23:15:11,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:11,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2022-11-25 23:15:11,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:12,000 INFO L225 Difference]: With dead ends: 432 [2022-11-25 23:15:12,001 INFO L226 Difference]: Without dead ends: 394 [2022-11-25 23:15:12,001 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 [2022-11-25 23:15:12,002 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:12,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:12,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-11-25 23:15:12,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 370. [2022-11-25 23:15:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 366 states have (on average 2.80327868852459) internal successors, (1026), 369 states have internal predecessors, (1026), 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) [2022-11-25 23:15:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1026 transitions. [2022-11-25 23:15:12,017 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1026 transitions. Word has length 8 [2022-11-25 23:15:12,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:12,018 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 1026 transitions. [2022-11-25 23:15:12,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-25 23:15:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1026 transitions. [2022-11-25 23:15:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:15:12,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:12,020 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:12,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:15:12,020 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:12,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1431982108, now seen corresponding path program 1 times [2022-11-25 23:15:12,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:12,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710657932] [2022-11-25 23:15:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:12,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:12,038 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:12,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258707536] [2022-11-25 23:15:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:12,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:12,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:12,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:12,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:15:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:12,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:15:12,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:12,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:12,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:12,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710657932] [2022-11-25 23:15:12,240 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:12,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258707536] [2022-11-25 23:15:12,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258707536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:12,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:12,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:15:12,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998654387] [2022-11-25 23:15:12,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:12,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:12,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:12,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:12,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:12,244 INFO L87 Difference]: Start difference. First operand 370 states and 1026 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-25 23:15:12,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:12,305 INFO L93 Difference]: Finished difference Result 310 states and 836 transitions. [2022-11-25 23:15:12,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:12,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13 [2022-11-25 23:15:12,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:12,307 INFO L225 Difference]: With dead ends: 310 [2022-11-25 23:15:12,308 INFO L226 Difference]: Without dead ends: 288 [2022-11-25 23:15:12,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:12,311 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:12,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 4 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:12,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-25 23:15:12,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 270. [2022-11-25 23:15:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 269 states have (on average 2.646840148698885) internal successors, (712), 269 states have internal predecessors, (712), 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) [2022-11-25 23:15:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 712 transitions. [2022-11-25 23:15:12,332 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 712 transitions. Word has length 13 [2022-11-25 23:15:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:12,332 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 712 transitions. [2022-11-25 23:15:12,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-25 23:15:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 712 transitions. [2022-11-25 23:15:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:15:12,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:12,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:12,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:12,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:12,547 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:12,547 INFO L85 PathProgramCache]: Analyzing trace with hash 402174464, now seen corresponding path program 1 times [2022-11-25 23:15:12,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:12,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505383631] [2022-11-25 23:15:12,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:12,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:12,567 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:12,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401261430] [2022-11-25 23:15:12,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:12,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:12,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:12,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:12,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:15:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:12,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:15:12,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:12,806 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 11 treesize of output 7 [2022-11-25 23:15:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:12,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:12,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:12,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505383631] [2022-11-25 23:15:12,817 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:12,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401261430] [2022-11-25 23:15:12,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401261430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:12,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:12,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:12,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944401434] [2022-11-25 23:15:12,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:12,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:12,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:12,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:12,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:12,820 INFO L87 Difference]: Start difference. First operand 270 states and 712 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 23:15:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:12,904 INFO L93 Difference]: Finished difference Result 144 states and 312 transitions. [2022-11-25 23:15:12,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2022-11-25 23:15:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:12,906 INFO L225 Difference]: With dead ends: 144 [2022-11-25 23:15:12,906 INFO L226 Difference]: Without dead ends: 140 [2022-11-25 23:15:12,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:12,908 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:12,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:12,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-25 23:15:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 110. [2022-11-25 23:15:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 2.238532110091743) internal successors, (244), 109 states have internal predecessors, (244), 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) [2022-11-25 23:15:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 244 transitions. [2022-11-25 23:15:12,914 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 244 transitions. Word has length 15 [2022-11-25 23:15:12,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:12,914 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 244 transitions. [2022-11-25 23:15:12,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 23:15:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2022-11-25 23:15:12,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:15:12,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:12,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:12,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 23:15:13,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:13,121 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:13,121 INFO L85 PathProgramCache]: Analyzing trace with hash -855219302, now seen corresponding path program 1 times [2022-11-25 23:15:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:13,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675861895] [2022-11-25 23:15:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:13,140 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:13,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057950344] [2022-11-25 23:15:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:13,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:13,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:13,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:13,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:15:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:13,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 23:15:13,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:13,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:13,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:13,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675861895] [2022-11-25 23:15:13,675 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:13,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057950344] [2022-11-25 23:15:13,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057950344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:13,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:13,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:13,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193331619] [2022-11-25 23:15:13,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:13,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:13,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:13,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:13,677 INFO L87 Difference]: Start difference. First operand 110 states and 244 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-25 23:15:13,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:13,801 INFO L93 Difference]: Finished difference Result 198 states and 437 transitions. [2022-11-25 23:15:13,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:15:13,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2022-11-25 23:15:13,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:13,803 INFO L225 Difference]: With dead ends: 198 [2022-11-25 23:15:13,803 INFO L226 Difference]: Without dead ends: 198 [2022-11-25 23:15:13,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:13,804 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:13,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:13,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-25 23:15:13,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 180. [2022-11-25 23:15:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 2.2402234636871508) internal successors, (401), 179 states have internal predecessors, (401), 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) [2022-11-25 23:15:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 401 transitions. [2022-11-25 23:15:13,811 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 401 transitions. Word has length 16 [2022-11-25 23:15:13,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:13,811 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 401 transitions. [2022-11-25 23:15:13,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-25 23:15:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 401 transitions. [2022-11-25 23:15:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:15:13,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:13,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:13,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:14,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 23:15:14,019 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:14,019 INFO L85 PathProgramCache]: Analyzing trace with hash -742016080, now seen corresponding path program 1 times [2022-11-25 23:15:14,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:14,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007217180] [2022-11-25 23:15:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:14,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:14,037 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:14,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429419409] [2022-11-25 23:15:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:14,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:14,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:14,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:14,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:15:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:14,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-25 23:15:14,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:14,266 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 10 treesize of output 12 [2022-11-25 23:15:14,290 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:15:14,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2022-11-25 23:15:14,332 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 13 treesize of output 15 [2022-11-25 23:15:14,428 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 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-25 23:15:14,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 52 treesize of output 46 [2022-11-25 23:15:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:14,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:14,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:14,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007217180] [2022-11-25 23:15:14,664 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:14,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429419409] [2022-11-25 23:15:14,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429419409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:14,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:14,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:15:14,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285786620] [2022-11-25 23:15:14,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:14,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:15:14,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:14,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:15:14,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:15:14,667 INFO L87 Difference]: Start difference. First operand 180 states and 401 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-11-25 23:15:14,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:14,901 INFO L93 Difference]: Finished difference Result 292 states and 643 transitions. [2022-11-25 23:15:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:14,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) Word has length 17 [2022-11-25 23:15:14,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:14,903 INFO L225 Difference]: With dead ends: 292 [2022-11-25 23:15:14,903 INFO L226 Difference]: Without dead ends: 266 [2022-11-25 23:15:14,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:15:14,904 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 70 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:14,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 14 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:15:14,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-25 23:15:14,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 238. [2022-11-25 23:15:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 2.2362869198312234) internal successors, (530), 237 states have internal predecessors, (530), 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) [2022-11-25 23:15:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 530 transitions. [2022-11-25 23:15:14,915 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 530 transitions. Word has length 17 [2022-11-25 23:15:14,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:14,916 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 530 transitions. [2022-11-25 23:15:14,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-11-25 23:15:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 530 transitions. [2022-11-25 23:15:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:15:14,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:14,917 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:14,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:15,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 23:15:15,124 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:15,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:15,125 INFO L85 PathProgramCache]: Analyzing trace with hash -79284319, now seen corresponding path program 1 times [2022-11-25 23:15:15,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:15,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405450550] [2022-11-25 23:15:15,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:15,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:15,145 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:15,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703040146] [2022-11-25 23:15:15,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:15,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:15,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:15,153 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:15,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:15:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:15,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:15:15,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:15,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:15,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:15,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405450550] [2022-11-25 23:15:15,315 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:15,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703040146] [2022-11-25 23:15:15,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703040146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:15,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:15,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:15,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250046132] [2022-11-25 23:15:15,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:15,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:15,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:15,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:15,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:15,318 INFO L87 Difference]: Start difference. First operand 238 states and 530 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-25 23:15:15,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:15,383 INFO L93 Difference]: Finished difference Result 156 states and 328 transitions. [2022-11-25 23:15:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:15,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2022-11-25 23:15:15,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:15,384 INFO L225 Difference]: With dead ends: 156 [2022-11-25 23:15:15,385 INFO L226 Difference]: Without dead ends: 124 [2022-11-25 23:15:15,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:15,385 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:15,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-25 23:15:15,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-25 23:15:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 2.048780487804878) internal successors, (252), 123 states have internal predecessors, (252), 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) [2022-11-25 23:15:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 252 transitions. [2022-11-25 23:15:15,390 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 252 transitions. Word has length 19 [2022-11-25 23:15:15,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:15,390 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 252 transitions. [2022-11-25 23:15:15,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-25 23:15:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 252 transitions. [2022-11-25 23:15:15,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:15:15,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:15,391 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:15,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:15,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:15,597 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:15,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:15,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2073719096, now seen corresponding path program 1 times [2022-11-25 23:15:15,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:15,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426443560] [2022-11-25 23:15:15,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:15,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:15,619 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:15,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272436821] [2022-11-25 23:15:15,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:15,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:15,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:15,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:15,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:15:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:15,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 23:15:15,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:16,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:21,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:21,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426443560] [2022-11-25 23:15:21,434 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:21,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272436821] [2022-11-25 23:15:21,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272436821] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:21,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [36311172] [2022-11-25 23:15:21,445 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) 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) [2022-11-25 23:15:21,459 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:15:21,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2022-11-25 23:15:21,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599648693] [2022-11-25 23:15:21,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:15:21,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:15:21,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:15:21,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:15:21,461 INFO L87 Difference]: Start difference. First operand 124 states and 252 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 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) [2022-11-25 23:15:25,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:25,435 INFO L93 Difference]: Finished difference Result 218 states and 436 transitions. [2022-11-25 23:15:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 23:15:25,436 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 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) Word has length 30 [2022-11-25 23:15:25,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:25,437 INFO L225 Difference]: With dead ends: 218 [2022-11-25 23:15:25,437 INFO L226 Difference]: Without dead ends: 218 [2022-11-25 23:15:25,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:15:25,438 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 101 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:25,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 48 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 23:15:25,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-11-25 23:15:25,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 192. [2022-11-25 23:15:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 2.0471204188481678) internal successors, (391), 191 states have internal predecessors, (391), 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) [2022-11-25 23:15:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 391 transitions. [2022-11-25 23:15:25,450 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 391 transitions. Word has length 30 [2022-11-25 23:15:25,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:25,450 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 391 transitions. [2022-11-25 23:15:25,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 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) [2022-11-25 23:15:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 391 transitions. [2022-11-25 23:15:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 23:15:25,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:25,452 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:25,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:25,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:25,674 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:15:25,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:25,675 INFO L85 PathProgramCache]: Analyzing trace with hash 139195970, now seen corresponding path program 1 times [2022-11-25 23:15:25,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:25,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542700916] [2022-11-25 23:15:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:25,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:25,707 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:25,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578243757] [2022-11-25 23:15:25,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:25,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:25,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:25,709 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:25,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:15:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:26,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-25 23:15:26,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:26,533 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 13 treesize of output 9 [2022-11-25 23:15:26,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 9 [2022-11-25 23:15:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:26,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:27,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 37 [2022-11-25 23:15:27,093 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:27,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 76 [2022-11-25 23:15:27,242 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:27,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 135 [2022-11-25 23:15:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:36,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:36,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542700916] [2022-11-25 23:15:36,232 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:36,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578243757] [2022-11-25 23:15:36,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578243757] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:36,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1335833374] [2022-11-25 23:15:36,232 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) 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) [2022-11-25 23:15:36,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:15:36,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2022-11-25 23:15:36,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107191896] [2022-11-25 23:15:36,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:15:36,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-25 23:15:36,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-25 23:15:36,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2022-11-25 23:15:36,235 INFO L87 Difference]: Start difference. First operand 192 states and 391 transitions. Second operand has 24 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 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) [2022-11-25 23:15:58,963 WARN L233 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 98 DAG size of output: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:16:22,182 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 92 DAG size of output: 77 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:16:34,643 WARN L233 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 65 DAG size of output: 60 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:16:57,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:57,646 INFO L93 Difference]: Finished difference Result 474 states and 943 transitions. [2022-11-25 23:16:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-25 23:16:57,647 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 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) Word has length 31 [2022-11-25 23:16:57,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:57,649 INFO L225 Difference]: With dead ends: 474 [2022-11-25 23:16:57,649 INFO L226 Difference]: Without dead ends: 418 [2022-11-25 23:16:57,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 73.8s TimeCoverageRelationStatistics Valid=556, Invalid=3226, Unknown=0, NotChecked=0, Total=3782 [2022-11-25 23:16:57,652 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 474 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:57,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 109 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-11-25 23:16:57,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-11-25 23:16:57,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 222. [2022-11-25 23:16:57,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.9547511312217194) internal successors, (432), 221 states have internal predecessors, (432), 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) [2022-11-25 23:16:57,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 432 transitions. [2022-11-25 23:16:57,663 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 432 transitions. Word has length 31 [2022-11-25 23:16:57,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:57,663 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 432 transitions. [2022-11-25 23:16:57,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 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) [2022-11-25 23:16:57,664 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 432 transitions. [2022-11-25 23:16:57,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-25 23:16:57,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:57,666 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:57,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:57,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 23:16:57,874 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-25 23:16:57,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:57,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1147554724, now seen corresponding path program 2 times [2022-11-25 23:16:57,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:57,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312029906] [2022-11-25 23:16:57,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:57,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:57,905 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:16:57,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431360160] [2022-11-25 23:16:57,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:16:57,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:57,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:57,912 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd85717c-4329-46bb-9372-5630cefbf144/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:17:00,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 23:17:00,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:17:00,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-25 23:17:00,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:17:00,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:17:00,103 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 10 treesize of output 12 [2022-11-25 23:17:00,122 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:17:00,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2022-11-25 23:17:00,181 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 13 treesize of output 15 [2022-11-25 23:17:00,335 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 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-25 23:17:00,661 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 0 case distinctions, treesize of input 65 treesize of output 58 [2022-11-25 23:17:08,201 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 0 case distinctions, treesize of input 75 treesize of output 66 [2022-11-25 23:17:22,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 78 treesize of output 72 [2022-11-25 23:17:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:17:26,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:01,426 WARN L233 SmtUtils]: Spent 14.23s on a formula simplification. DAG size of input: 70 DAG size of output: 54 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:18:29,884 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:18:41,739 WARN L233 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:18:58,485 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:19:31,364 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:25:21,769 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 22 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 23:27:26,594 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse120 (mod c_~first~0 4294967296)) (.cse121 (mod (+ c_~first~0 1) 4294967296))) (let ((.cse41 (<= .cse121 2147483647)) (.cse58 (<= .cse120 2147483647))) (let ((.cse11 (+ |c_~#buffer~0.offset| .cse120)) (.cse42 (not .cse58)) (.cse5 (+ |c_~#buffer~0.offset| .cse121)) (.cse22 (not .cse41)) (.cse4 (mod c_~buffer_size~0 4294967296)) (.cse31 (+ |c_~#buffer~0.offset| .cse121 (- 4294967296))) (.cse2 (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)) (.cse46 (+ |c_~#buffer~0.offset| .cse120 (- 4294967296))) (.cse13 (select |c_#memory_int| |c_~#buffer~0.base|))) (and (or (and (or (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse8 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse9 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse12 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse7 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse3 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse1 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7)) (.cse0 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7 .cse8 .cse9 .cse12)) (.cse6 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7 .cse8 .cse9)) (.cse10 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7 .cse9))) (or (<= 8589934591 .cse0) (< .cse1 4294967295) (not (= .cse2 (select (store .cse3 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse5))) (<= 8589934591 .cse6) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7 .cse8 .cse9 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse10) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7 .cse9 (- 4294967295)) .cse4) 4294967296)) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse3 .cse11))) (<= 8589934591 .cse1) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse0 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse6 4294967295) (<= (mod (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse7 .cse8 .cse9 (- 4294967295) .cse12) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (< .cse10 4294967295))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse18 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse19 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse17 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse15 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse17)) (.cse14 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse17 .cse18 .cse19 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse16 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse17 .cse18 .cse19)) (.cse21 (store .cse13 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse20 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse17 .cse19))) (or (<= 8589934591 .cse14) (< .cse15 4294967295) (<= 8589934591 .cse16) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse17 .cse18 .cse19 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse20) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse17 .cse19 (- 4294967295)) .cse4) 4294967296)) (<= 8589934591 .cse15) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse17 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse14 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse21 .cse11))) (< .cse16 4294967295) (not (= .cse2 (select (store .cse21 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse5))) (< .cse20 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83)))))) .cse22) (or (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse27 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse28 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse26 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse24 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse26)) (.cse23 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse26 .cse27 .cse28 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse30 (store .cse13 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse25 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse26 .cse27 .cse28)) (.cse29 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse26 .cse28))) (or (<= 8589934591 .cse23) (< .cse24 4294967295) (<= 8589934591 .cse25) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse26 .cse27 .cse28 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse29) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse26 .cse28 (- 4294967295)) .cse4) 4294967296)) (<= 8589934591 .cse24) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse26 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse23 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse30 .cse11))) (not (= (select (store .cse30 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31) .cse2)) (< .cse25 4294967295) (< .cse29 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse36 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse37 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse40 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse35 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse39 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse33 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35)) (.cse32 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35 .cse36 .cse37 .cse40)) (.cse34 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35 .cse36 .cse37)) (.cse38 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35 .cse37))) (or (<= 8589934591 .cse32) (< .cse33 4294967295) (<= 8589934591 .cse34) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35 .cse36 .cse37 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse38) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35 .cse37 (- 4294967295)) .cse4) 4294967296)) (not (= .cse2 (select (store .cse39 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31))) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse39 .cse11))) (<= 8589934591 .cse33) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse32 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse34 4294967295) (<= (mod (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse35 .cse36 .cse37 (- 4294967295) .cse40) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (< .cse38 4294967295)))))) .cse41)) .cse42) (or (< (mod (+ 2 c_~first~0) 4294967296) .cse4) (and (or (and (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse50 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse44 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse43 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse48 (+ .cse43 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse47 (+ .cse43 .cse44 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse49 (+ .cse43 .cse44 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse50)) (.cse45 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse43 .cse44 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse45 .cse46))) (<= 8589934591 .cse47) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse48) (< .cse48 4294967295) (< .cse47 4294967295) (<= 8589934591 .cse49) (< .cse49 4294967295) (<= .cse4 (mod (mod (+ .cse43 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse43 .cse44 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse50) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (not (= (select (store .cse45 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31) .cse2)))))) (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse57 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse52 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse51 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse54 (+ .cse51 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse53 (+ .cse51 .cse52 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse56 (+ .cse51 .cse52 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse57)) (.cse55 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse51 .cse52 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse53) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse54) (< .cse54 4294967295) (< .cse53 4294967295) (not (= (select .cse55 .cse46) |c_t1Thread1of1ForFork0_~i~0#1|)) (<= 8589934591 .cse56) (< .cse56 4294967295) (<= .cse4 (mod (mod (+ .cse51 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse51 .cse52 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse57) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (not (= (select (store .cse55 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31) .cse2)) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647)))))) .cse58 .cse41) (or (and (or (and (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse65 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse60 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse59 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse62 (+ .cse59 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse61 (+ .cse59 .cse60 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse64 (+ .cse59 .cse60 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse65)) (.cse63 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse59 .cse60 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse61) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse62) (< .cse62 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse63 .cse11))) (< .cse61 4294967295) (<= 8589934591 .cse64) (< .cse64 4294967295) (<= .cse4 (mod (mod (+ .cse59 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse59 .cse60 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse65) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (not (= (select (store .cse63 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31) .cse2)))))) (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse72 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse67 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse66 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse70 (+ .cse66 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse68 (+ .cse66 .cse67 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse71 (+ .cse66 .cse67 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse72)) (.cse69 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse66 .cse67 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse68) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse69 .cse11))) (<= 8589934591 .cse70) (< .cse70 4294967295) (< .cse68 4294967295) (<= 8589934591 .cse71) (< .cse71 4294967295) (<= .cse4 (mod (mod (+ .cse66 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse66 .cse67 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse72) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (not (= (select (store .cse69 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31) .cse2)) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647)))))) .cse41) (or (and (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse79 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse74 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse73 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse76 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_801)) (.cse77 (+ .cse73 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse75 (+ .cse73 .cse74 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse78 (+ .cse73 .cse74 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse79))) (or (<= (mod (mod (+ .cse73 .cse74 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse75) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse76 .cse11))) (not (= (select (store .cse76 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse5) .cse2)) (<= 8589934591 .cse77) (< .cse77 4294967295) (< .cse75 4294967295) (<= 8589934591 .cse78) (< .cse78 4294967295) (<= .cse4 (mod (mod (+ .cse73 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse73 .cse74 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse79) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647))))) (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse86 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse82 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse81 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse84 (+ .cse81 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse80 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_801)) (.cse83 (+ .cse81 .cse82 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse85 (+ .cse81 .cse82 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse86))) (or (not (= (select (store .cse80 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse5) .cse2)) (<= (mod (mod (+ .cse81 .cse82 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse83) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse84) (< .cse84 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse80 .cse11))) (< .cse83 4294967295) (<= 8589934591 .cse85) (< .cse85 4294967295) (<= .cse4 (mod (mod (+ .cse81 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse4) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse81 .cse82 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse86) .cse4) 1) 4294967296) .cse4) 4294967296) 0)))))) .cse22)) .cse42))) (or .cse58 (and (or (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse92 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse93 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse91 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse89 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse88 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse91)) (.cse87 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse91 .cse92 .cse93 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse90 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse91 .cse92 .cse93)) (.cse94 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse91 .cse93))) (or (<= 8589934591 .cse87) (< .cse88 4294967295) (not (= .cse2 (select (store .cse89 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse5))) (<= 8589934591 .cse90) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse91 .cse92 .cse93 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse94) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse91 .cse93 (- 4294967295)) .cse4) 4294967296)) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse89 .cse46))) (<= 8589934591 .cse88) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse91 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse87 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse90 4294967295) (< .cse94 4294967295))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse99 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse100 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse98 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse96 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse98)) (.cse95 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse98 .cse99 .cse100 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse97 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse98 .cse99 .cse100)) (.cse102 (store .cse13 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse101 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse98 .cse100))) (or (<= 8589934591 .cse95) (< .cse96 4294967295) (<= 8589934591 .cse97) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse98 .cse99 .cse100 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse101) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse98 .cse100 (- 4294967295)) .cse4) 4294967296)) (<= 8589934591 .cse96) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse98 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse95 4294967295) (not (= (select .cse102 .cse46) |c_t1Thread1of1ForFork0_~i~0#1|)) (< .cse97 4294967295) (not (= .cse2 (select (store .cse102 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse5))) (< .cse101 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83)))))) .cse22) (or (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse107 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse108 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse111 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse106 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse110 (store .cse13 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse104 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106)) (.cse103 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse107 .cse108 .cse111)) (.cse105 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse107 .cse108)) (.cse109 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse108))) (or (<= 8589934591 .cse103) (< .cse104 4294967295) (<= 8589934591 .cse105) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse107 .cse108 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse109) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse108 (- 4294967295)) .cse4) 4294967296)) (not (= .cse2 (select (store .cse110 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31))) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse110 .cse46))) (<= 8589934591 .cse104) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse103 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse105 4294967295) (<= (mod (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse107 .cse108 (- 4294967295) .cse111) .cse4) 1) 4294967296) .cse4) 4294967296) 0) (< .cse109 4294967295))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse116 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse117 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse115 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse113 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse115)) (.cse112 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse115 .cse116 .cse117 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse119 (store .cse13 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse114 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse115 .cse116 .cse117)) (.cse118 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse115 .cse117))) (or (<= 8589934591 .cse112) (< .cse113 4294967295) (<= 8589934591 .cse114) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse115 .cse116 .cse117 (- 4294967295)) .cse4) 4294967296) 0) (<= 8589934591 .cse118) (<= .cse4 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse115 .cse117 (- 4294967295)) .cse4) 4294967296)) (<= 8589934591 .cse113) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse115 (- 4294967295)) .cse4) 1) 4294967296) .cse4) 1) 4294967296) .cse4) 4294967296)) (< .cse112 4294967295) (not (= (select (store .cse119 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse4) 4294967296)) v_ArrVal_803) .cse31) .cse2)) (not (= (select .cse119 .cse46) |c_t1Thread1of1ForFork0_~i~0#1|)) (< .cse114 4294967295) (< .cse118 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83)))))) .cse41))))))) is different from true