./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/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_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- 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 23:39:22,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:39:22,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:39:22,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:39:22,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:39:22,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:39:22,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:39:22,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:39:22,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:39:22,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:39:22,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:39:22,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:39:22,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:39:22,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:39:22,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:39:22,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:39:22,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:39:22,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:39:22,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:39:22,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:39:22,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:39:22,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:39:22,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:39:22,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:39:22,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:39:22,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:39:22,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:39:22,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:39:22,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:39:22,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:39:22,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:39:22,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:39:22,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:39:22,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:39:22,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:39:22,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:39:22,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:39:22,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:39:22,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:39:22,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:39:22,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:39:22,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:39:22,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:39:22,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:39:22,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:39:22,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:39:22,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:39:22,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:39:22,781 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:39:22,781 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:39:22,781 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:39:22,781 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:39:22,782 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:39:22,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:39:22,782 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:39:22,782 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:39:22,783 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:39:22,783 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:39:22,783 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:39:22,783 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:39:22,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:39:22,784 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:39:22,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:39:22,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:39:22,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:39:22,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:39:22,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:39:22,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:39:22,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:39:22,786 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:39:22,786 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:39:22,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:39:22,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:39:22,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:39:22,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:39:22,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:39:22,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:39:22,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:39:22,787 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:39:22,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:39:22,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:39:22,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:39:22,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:39:22,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:39:22,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:39:22,798 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_1b64d5a7-c2a3-42a7-adc4-8ff137813999/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2022-11-25 23:39:23,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:39:23,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:39:23,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:39:23,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:39:23,099 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:39:23,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-11-25 23:39:26,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:39:26,557 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:39:26,558 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2022-11-25 23:39:26,588 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/data/2b1f56912/bd4638d3507f4b349be20778a027b69e/FLAG49cf32e30 [2022-11-25 23:39:26,607 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/data/2b1f56912/bd4638d3507f4b349be20778a027b69e [2022-11-25 23:39:26,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:39:26,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:39:26,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:39:26,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:39:26,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:39:26,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:39:26" (1/1) ... [2022-11-25 23:39:26,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e1b78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:26, skipping insertion in model container [2022-11-25 23:39:26,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:39:26" (1/1) ... [2022-11-25 23:39:26,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:39:26,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:39:27,246 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_1b64d5a7-c2a3-42a7-adc4-8ff137813999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-11-25 23:39:27,380 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:39:27,383 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_1b64d5a7-c2a3-42a7-adc4-8ff137813999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-11-25 23:39:27,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:39:27,399 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:39:27,453 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_1b64d5a7-c2a3-42a7-adc4-8ff137813999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2022-11-25 23:39:27,523 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:39:27,525 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_1b64d5a7-c2a3-42a7-adc4-8ff137813999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2022-11-25 23:39:27,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:39:27,567 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:39:27,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27 WrapperNode [2022-11-25 23:39:27,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:39:27,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:39:27,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:39:27,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:39:27,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,669 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 888 [2022-11-25 23:39:27,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:39:27,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:39:27,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:39:27,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:39:27,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:39:27,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:39:27,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:39:27,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:39:27,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (1/1) ... [2022-11-25 23:39:27,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:39:27,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:39:27,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:39:27,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:39:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:39:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:39:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:39:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:39:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:39:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:39:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:39:28,198 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:39:28,200 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:39:29,802 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:39:30,202 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:39:30,202 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-25 23:39:30,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:39:30 BoogieIcfgContainer [2022-11-25 23:39:30,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:39:30,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:39:30,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:39:30,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:39:30,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:39:26" (1/3) ... [2022-11-25 23:39:30,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e988d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:39:30, skipping insertion in model container [2022-11-25 23:39:30,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:39:27" (2/3) ... [2022-11-25 23:39:30,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e988d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:39:30, skipping insertion in model container [2022-11-25 23:39:30,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:39:30" (3/3) ... [2022-11-25 23:39:30,216 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2022-11-25 23:39:30,235 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:39:30,235 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 23:39:30,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:39:30,308 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;@64210879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:39:30,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 23:39:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:39:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:39:30,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:30,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:39:30,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:39:30,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:30,330 INFO L85 PathProgramCache]: Analyzing trace with hash 22737132, now seen corresponding path program 1 times [2022-11-25 23:39:30,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:30,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641925999] [2022-11-25 23:39:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:30,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:30,480 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:39:30,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1885362269] [2022-11-25 23:39:30,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:30,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:39:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:39:30,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:39:30,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:39:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:30,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 23:39:30,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:30,773 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 23:39:30,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:39:30,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:39:30,846 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 15 treesize of output 7 [2022-11-25 23:39:30,855 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 23:39:30,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:39:30,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:30,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641925999] [2022-11-25 23:39:30,856 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:39:30,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885362269] [2022-11-25 23:39:30,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885362269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:30,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:30,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:39:30,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294338579] [2022-11-25 23:39:30,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:30,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:39:30,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:30,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:39:30,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:39:30,919 INFO L87 Difference]: Start difference. First operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 23:39:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:32,523 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2022-11-25 23:39:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:39:32,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 23:39:32,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:32,539 INFO L225 Difference]: With dead ends: 308 [2022-11-25 23:39:32,539 INFO L226 Difference]: Without dead ends: 187 [2022-11-25 23:39:32,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:32,546 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:32,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 333 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 23:39:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-25 23:39:32,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2022-11-25 23:39:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:39:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2022-11-25 23:39:32,596 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2022-11-25 23:39:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:32,596 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2022-11-25 23:39:32,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 23:39:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2022-11-25 23:39:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:39:32,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:32,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:32,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:32,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 23:39:32,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:39:32,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:32,806 INFO L85 PathProgramCache]: Analyzing trace with hash 196565253, now seen corresponding path program 1 times [2022-11-25 23:39:32,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:32,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969527628] [2022-11-25 23:39:32,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:32,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:33,381 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 23:39:33,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:33,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969527628] [2022-11-25 23:39:33,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969527628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:33,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:33,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:39:33,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665549459] [2022-11-25 23:39:33,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:33,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:39:33,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:33,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:39:33,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:39:33,385 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 23:39:34,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:34,953 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2022-11-25 23:39:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:39:34,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-11-25 23:39:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:34,962 INFO L225 Difference]: With dead ends: 230 [2022-11-25 23:39:34,962 INFO L226 Difference]: Without dead ends: 174 [2022-11-25 23:39:34,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:34,964 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:34,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 340 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 23:39:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-25 23:39:34,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2022-11-25 23:39:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:39:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2022-11-25 23:39:34,977 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2022-11-25 23:39:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:34,977 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2022-11-25 23:39:34,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 23:39:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2022-11-25 23:39:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:39:34,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:34,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:34,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:39:34,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:39:34,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:34,980 INFO L85 PathProgramCache]: Analyzing trace with hash 592905191, now seen corresponding path program 1 times [2022-11-25 23:39:34,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:34,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69684702] [2022-11-25 23:39:34,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:35,111 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:39:35,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969775233] [2022-11-25 23:39:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:39:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:39:35,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:39:35,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:39:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:35,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:39:35,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:35,990 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 23:39:35,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:39:35,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:35,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69684702] [2022-11-25 23:39:35,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:39:35,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969775233] [2022-11-25 23:39:35,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969775233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:35,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:35,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:39:35,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792608825] [2022-11-25 23:39:35,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:35,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:39:35,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:35,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:39:35,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:35,998 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 23:39:36,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:36,631 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2022-11-25 23:39:36,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:39:36,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2022-11-25 23:39:36,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:36,637 INFO L225 Difference]: With dead ends: 288 [2022-11-25 23:39:36,637 INFO L226 Difference]: Without dead ends: 172 [2022-11-25 23:39:36,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 23:39:36,639 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 49 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:36,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 23:39:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-25 23:39:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2022-11-25 23:39:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 23:39:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2022-11-25 23:39:36,655 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2022-11-25 23:39:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:36,655 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2022-11-25 23:39:36,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 23:39:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2022-11-25 23:39:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 23:39:36,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:36,657 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:36,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:36,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:39:36,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:39:36,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:36,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1496687605, now seen corresponding path program 1 times [2022-11-25 23:39:36,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:36,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900946589] [2022-11-25 23:39:36,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:36,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:36,947 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:39:36,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531479966] [2022-11-25 23:39:36,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:36,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:39:36,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:39:36,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:39:36,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:39:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:51,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:39:51,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:51,225 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 23:39:51,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:39:51,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:51,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900946589] [2022-11-25 23:39:51,228 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:39:51,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531479966] [2022-11-25 23:39:51,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531479966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:51,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:51,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:39:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414526774] [2022-11-25 23:39:51,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:51,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:39:51,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:51,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:39:51,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:39:51,238 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:39:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:52,787 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2022-11-25 23:39:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:39:52,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-25 23:39:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:52,793 INFO L225 Difference]: With dead ends: 320 [2022-11-25 23:39:52,793 INFO L226 Difference]: Without dead ends: 170 [2022-11-25 23:39:52,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 23:39:52,795 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:52,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 377 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 23:39:52,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-11-25 23:39:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-11-25 23:39:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-25 23:39:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2022-11-25 23:39:52,822 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2022-11-25 23:39:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:52,823 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2022-11-25 23:39:52,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:39:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2022-11-25 23:39:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:39:52,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:52,825 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:52,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:53,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:39:53,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:39:53,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1899561301, now seen corresponding path program 1 times [2022-11-25 23:39:53,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:53,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133543102] [2022-11-25 23:39:53,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:53,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:53,108 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:39:53,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [874722369] [2022-11-25 23:39:53,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:53,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:39:53,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:39:53,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:39:53,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b64d5a7-c2a3-42a7-adc4-8ff137813999/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:40:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:15,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:40:15,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:40:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:40:15,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:40:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:40:15,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:15,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133543102] [2022-11-25 23:40:15,517 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:40:15,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874722369] [2022-11-25 23:40:15,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874722369] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:40:15,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1892875379] [2022-11-25 23:40:15,538 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-25 23:40:15,538 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:40:15,542 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:40:15,548 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:40:15,548 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:40:15,608 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 15 treesize of output 1 [2022-11-25 23:40:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,628 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:40:15,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-25 23:40:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:40:15,647 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 15 treesize of output 1 [2022-11-25 23:40:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,672 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:40:15,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 23:40:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,758 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:40:15,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-25 23:40:15,777 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 15 treesize of output 1 [2022-11-25 23:40:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,823 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:40:15,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:40:15,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:40:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 23:40:15,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 23:40:15,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 23:40:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:15,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-25 23:40:16,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:40:16,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:40:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-25 23:40:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-11-25 23:40:16,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:40:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:40:16,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:40:16,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:40:16,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:40:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,945 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:40:16,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 23:40:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-25 23:40:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:40:17,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:40:17,240 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 14 treesize of output 10 [2022-11-25 23:40:17,263 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 16 treesize of output 12 [2022-11-25 23:40:17,269 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 14 treesize of output 10 [2022-11-25 23:40:17,293 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 66 treesize of output 65 [2022-11-25 23:40:17,301 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 64 treesize of output 63 [2022-11-25 23:40:17,308 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 64 treesize of output 63 [2022-11-25 23:40:17,328 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 14 treesize of output 10 [2022-11-25 23:40:17,333 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 16 treesize of output 12 [2022-11-25 23:40:17,339 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 14 treesize of output 10 [2022-11-25 23:40:17,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:40:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:40:17,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 23:40:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:40:17,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:40:17,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:40:17,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 23:40:18,989 INFO L217 Elim1Store]: Index analysis took 959 ms [2022-11-25 23:40:25,594 WARN L233 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:40:25,595 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 23:40:25,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 23:40:28,377 INFO L217 Elim1Store]: Index analysis took 2545 ms [2022-11-25 23:40:30,230 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 23:40:30,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 23:40:41,073 WARN L233 SmtUtils]: Spent 10.68s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:40:41,073 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:40:41,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 23:40:41,488 INFO L217 Elim1Store]: Index analysis took 233 ms [2022-11-25 23:41:05,251 WARN L233 SmtUtils]: Spent 23.76s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:41:05,252 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:41:05,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1814 [2022-11-25 23:41:06,849 INFO L217 Elim1Store]: Index analysis took 756 ms [2022-11-25 23:41:37,987 WARN L233 SmtUtils]: Spent 30.26s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:41:37,988 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-25 23:41:37,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-25 23:41:38,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:41:39,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:41:39,304 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:41:39,366 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:41:39,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:39,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:39,588 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-11-25 23:41:39,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 61 [2022-11-25 23:41:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:41:39,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:39,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:41:39,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:39,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 23:41:40,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:41:40,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:41:40,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-25 23:41:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:41:42,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-25 23:42:06,483 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:42:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:42:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:42:56,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:43:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:43:25,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13