./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:44:56,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:44:56,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:44:56,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:44:56,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:44:56,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:44:56,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:44:56,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:44:56,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:44:56,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:44:56,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:44:56,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:44:56,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:44:56,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:44:56,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:44:56,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:44:56,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:44:56,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:44:56,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:44:56,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:44:56,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:44:56,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:44:56,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:44:56,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:44:56,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:44:56,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:44:56,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:44:56,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:44:56,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:44:56,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:44:56,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:44:56,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:44:56,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:44:56,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:44:56,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:44:56,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:44:56,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:44:56,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:44:56,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:44:56,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:44:56,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:44:56,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:44:56,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:44:56,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:44:56,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:44:56,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:44:56,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:44:56,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:44:56,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:44:56,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:44:56,857 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:44:56,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:44:56,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:44:56,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:44:56,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:44:56,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:44:56,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:44:56,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:44:56,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:44:56,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:44:56,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:44:56,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:44:56,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:44:56,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:44:56,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:44:56,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:44:56,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:44:56,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:44:56,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:44:56,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:44:56,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:44:56,861 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:44:56,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:44:56,861 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:44:56,861 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 [2022-12-13 17:44:57,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:44:57,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:44:57,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:44:57,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:44:57,071 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:44:57,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-12-13 17:44:59,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:44:59,928 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:44:59,929 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-12-13 17:44:59,942 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data/19cf77ecb/4dcd5fd79cec4136a357fac39f02bdf2/FLAG48ce11a61 [2022-12-13 17:44:59,954 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data/19cf77ecb/4dcd5fd79cec4136a357fac39f02bdf2 [2022-12-13 17:44:59,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:44:59,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:44:59,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:44:59,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:44:59,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:44:59,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:44:59" (1/1) ... [2022-12-13 17:44:59,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7436a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:44:59, skipping insertion in model container [2022-12-13 17:44:59,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:44:59" (1/1) ... [2022-12-13 17:44:59,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:45:00,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:45:00,143 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_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-12-13 17:45:00,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:45:00,439 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:45:00,447 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_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-12-13 17:45:00,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:45:00,556 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:45:00,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00 WrapperNode [2022-12-13 17:45:00,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:45:00,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:45:00,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:45:00,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:45:00,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,683 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2953 [2022-12-13 17:45:00,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:45:00,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:45:00,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:45:00,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:45:00,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,747 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:45:00,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:45:00,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:45:00,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:45:00,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (1/1) ... [2022-12-13 17:45:00,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:45:00,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:45:00,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:45:00,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:45:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:45:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:45:01,207 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:45:01,208 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:48:59,111 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:48:59,118 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:48:59,119 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 17:48:59,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:48:59 BoogieIcfgContainer [2022-12-13 17:48:59,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:48:59,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:48:59,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:48:59,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:48:59,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:44:59" (1/3) ... [2022-12-13 17:48:59,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2457c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:48:59, skipping insertion in model container [2022-12-13 17:48:59,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:45:00" (2/3) ... [2022-12-13 17:48:59,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2457c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:48:59, skipping insertion in model container [2022-12-13 17:48:59,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:48:59" (3/3) ... [2022-12-13 17:48:59,129 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_three.c [2022-12-13 17:48:59,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:48:59,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:48:59,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:48:59,197 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=PETRI_NET, 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;@71692072, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:48:59,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:48:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:48:59,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 17:48:59,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:48:59,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:48:59,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:48:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:48:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 17:48:59,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:48:59,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632654152] [2022-12-13 17:48:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:48:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:48:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:48:59,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:49:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:49:00,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:49:00,065 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:49:00,066 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:49:00,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:49:00,071 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:49:00,074 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:49:00,095 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 17:49:00,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:49:00 BoogieIcfgContainer [2022-12-13 17:49:00,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:49:00,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:49:00,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:49:00,109 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:49:00,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:48:59" (3/4) ... [2022-12-13 17:49:00,113 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:49:00,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:49:00,114 INFO L158 Benchmark]: Toolchain (without parser) took 240157.10ms. Allocated memory was 151.0MB in the beginning and 1.0GB in the end (delta: 897.6MB). Free memory was 111.5MB in the beginning and 712.3MB in the end (delta: -600.8MB). Peak memory consumption was 300.6MB. Max. memory is 16.1GB. [2022-12-13 17:49:00,115 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 91.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:49:00,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.15ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 74.2MB in the end (delta: 37.3MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2022-12-13 17:49:00,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.69ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 86.2MB in the end (delta: -12.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-12-13 17:49:00,117 INFO L158 Benchmark]: Boogie Preprocessor took 89.52ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 72.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 17:49:00,118 INFO L158 Benchmark]: RCFGBuilder took 238346.56ms. Allocated memory was 151.0MB in the beginning and 1.0GB in the end (delta: 897.6MB). Free memory was 72.2MB in the beginning and 841.3MB in the end (delta: -769.0MB). Peak memory consumption was 632.8MB. Max. memory is 16.1GB. [2022-12-13 17:49:00,118 INFO L158 Benchmark]: TraceAbstraction took 985.56ms. Allocated memory is still 1.0GB. Free memory was 840.2MB in the beginning and 712.3MB in the end (delta: 127.9MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2022-12-13 17:49:00,119 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 1.0GB. Free memory was 712.3MB in the beginning and 712.3MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:49:00,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 91.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.15ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 74.2MB in the end (delta: 37.3MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.69ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 86.2MB in the end (delta: -12.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.52ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 72.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 238346.56ms. Allocated memory was 151.0MB in the beginning and 1.0GB in the end (delta: 897.6MB). Free memory was 72.2MB in the beginning and 841.3MB in the end (delta: -769.0MB). Peak memory consumption was 632.8MB. Max. memory is 16.1GB. * TraceAbstraction took 985.56ms. Allocated memory is still 1.0GB. Free memory was 840.2MB in the beginning and 712.3MB in the end (delta: 127.9MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 1.0GB. Free memory was 712.3MB in the beginning and 712.3MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 211, overapproximation of bitwiseOr at line 229, overapproximation of bitwiseAnd at line 205. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 2); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (2 - 1); [L34] const SORT_69 mask_SORT_69 = (SORT_69)-1 >> (sizeof(SORT_69) * 8 - 3); [L35] const SORT_69 msb_SORT_69 = (SORT_69)1 << (3 - 1); [L37] const SORT_135 mask_SORT_135 = (SORT_135)-1 >> (sizeof(SORT_135) * 8 - 31); [L38] const SORT_135 msb_SORT_135 = (SORT_135)1 << (31 - 1); [L40] const SORT_3 var_4 = 0; [L41] const SORT_3 var_5 = 1; [L42] const SORT_6 var_7 = 2; [L43] const SORT_6 var_10 = 1; [L44] const SORT_1 var_55 = 1; [L45] const SORT_1 var_59 = 0; [L46] const SORT_69 var_70 = 0; [L47] const SORT_69 var_73 = 2; [L48] const SORT_69 var_75 = 4; [L49] const SORT_69 var_78 = 5; [L50] const SORT_69 var_81 = 1; [L51] const SORT_6 var_83 = 0; [L52] const SORT_69 var_89 = 3; [L53] const SORT_135 var_136 = 0; [L55] SORT_1 input_2; [L56] SORT_69 input_640; [L57] SORT_69 input_761; [L58] SORT_69 input_882; [L60] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L61] SORT_6 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L62] SORT_6 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L63] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] SORT_69 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L66] SORT_6 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L67] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_6 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L69] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] SORT_1 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_6 state_178 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L72] SORT_1 state_208 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_210 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_212 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_214 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_69 state_216 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L77] SORT_1 state_221 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_235 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_69 state_237 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L80] SORT_1 state_239 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_241 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_243 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_245 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_1 state_247 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_1 state_249 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] SORT_69 state_251 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L87] SORT_1 state_256 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 state_270 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_69 state_272 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L90] SORT_1 state_274 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_1 state_276 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_1 state_278 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_1 state_280 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_1 state_282 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] SORT_1 state_284 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] SORT_69 state_286 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L97] SORT_1 state_291 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_1 state_305 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_69 state_307 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L100] SORT_1 state_309 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_1 state_311 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_6 init_9_arg_1 = var_7; [L104] state_8 = init_9_arg_1 [L105] SORT_6 init_18_arg_1 = var_7; [L106] state_17 = init_18_arg_1 [L107] SORT_6 init_26_arg_1 = var_7; [L108] state_25 = init_26_arg_1 [L109] SORT_1 init_61_arg_1 = var_59; [L110] state_60 = init_61_arg_1 [L111] SORT_1 init_66_arg_1 = var_59; [L112] state_65 = init_66_arg_1 [L113] SORT_69 init_72_arg_1 = var_70; [L114] state_71 = init_72_arg_1 [L115] SORT_6 init_85_arg_1 = var_83; [L116] state_84 = init_85_arg_1 [L117] SORT_1 init_102_arg_1 = var_59; [L118] state_101 = init_102_arg_1 [L119] SORT_6 init_112_arg_1 = var_83; [L120] state_111 = init_112_arg_1 [L121] SORT_1 init_132_arg_1 = var_59; [L122] state_131 = init_132_arg_1 [L123] SORT_1 init_134_arg_1 = var_59; [L124] state_133 = init_134_arg_1 [L125] SORT_6 init_179_arg_1 = var_83; [L126] state_178 = init_179_arg_1 [L127] SORT_1 init_209_arg_1 = var_59; [L128] state_208 = init_209_arg_1 [L129] SORT_1 init_211_arg_1 = var_59; [L130] state_210 = init_211_arg_1 [L131] SORT_1 init_213_arg_1 = var_59; [L132] state_212 = init_213_arg_1 [L133] SORT_1 init_215_arg_1 = var_55; [L134] state_214 = init_215_arg_1 [L135] SORT_69 init_217_arg_1 = var_78; [L136] state_216 = init_217_arg_1 [L137] SORT_1 init_222_arg_1 = var_55; [L138] state_221 = init_222_arg_1 [L139] SORT_1 init_236_arg_1 = var_55; [L140] state_235 = init_236_arg_1 [L141] SORT_69 init_238_arg_1 = var_73; [L142] state_237 = init_238_arg_1 [L143] SORT_1 init_240_arg_1 = var_59; [L144] state_239 = init_240_arg_1 [L145] SORT_1 init_242_arg_1 = var_59; [L146] state_241 = init_242_arg_1 [L147] SORT_1 init_244_arg_1 = var_59; [L148] state_243 = init_244_arg_1 [L149] SORT_1 init_246_arg_1 = var_59; [L150] state_245 = init_246_arg_1 [L151] SORT_1 init_248_arg_1 = var_59; [L152] state_247 = init_248_arg_1 [L153] SORT_1 init_250_arg_1 = var_55; [L154] state_249 = init_250_arg_1 [L155] SORT_69 init_252_arg_1 = var_78; [L156] state_251 = init_252_arg_1 [L157] SORT_1 init_257_arg_1 = var_55; [L158] state_256 = init_257_arg_1 [L159] SORT_1 init_271_arg_1 = var_55; [L160] state_270 = init_271_arg_1 [L161] SORT_69 init_273_arg_1 = var_73; [L162] state_272 = init_273_arg_1 [L163] SORT_1 init_275_arg_1 = var_59; [L164] state_274 = init_275_arg_1 [L165] SORT_1 init_277_arg_1 = var_59; [L166] state_276 = init_277_arg_1 [L167] SORT_1 init_279_arg_1 = var_59; [L168] state_278 = init_279_arg_1 [L169] SORT_1 init_281_arg_1 = var_59; [L170] state_280 = init_281_arg_1 [L171] SORT_1 init_283_arg_1 = var_59; [L172] state_282 = init_283_arg_1 [L173] SORT_1 init_285_arg_1 = var_55; [L174] state_284 = init_285_arg_1 [L175] SORT_69 init_287_arg_1 = var_78; [L176] state_286 = init_287_arg_1 [L177] SORT_1 init_292_arg_1 = var_55; [L178] state_291 = init_292_arg_1 [L179] SORT_1 init_306_arg_1 = var_55; [L180] state_305 = init_306_arg_1 [L181] SORT_69 init_308_arg_1 = var_73; [L182] state_307 = init_308_arg_1 [L183] SORT_1 init_310_arg_1 = var_59; [L184] state_309 = init_310_arg_1 [L185] SORT_1 init_312_arg_1 = var_59; [L186] state_311 = init_312_arg_1 VAL [init_102_arg_1=0, init_112_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_179_arg_1=0, init_18_arg_1=2, init_209_arg_1=0, init_211_arg_1=0, init_213_arg_1=0, init_215_arg_1=1, init_217_arg_1=5, init_222_arg_1=1, init_236_arg_1=1, init_238_arg_1=2, init_240_arg_1=0, init_242_arg_1=0, init_244_arg_1=0, init_246_arg_1=0, init_248_arg_1=0, init_250_arg_1=1, init_252_arg_1=5, init_257_arg_1=1, init_26_arg_1=2, init_271_arg_1=1, init_273_arg_1=2, init_275_arg_1=0, init_277_arg_1=0, init_279_arg_1=0, init_281_arg_1=0, init_283_arg_1=0, init_285_arg_1=1, init_287_arg_1=5, init_292_arg_1=1, init_306_arg_1=1, init_308_arg_1=2, init_310_arg_1=0, init_312_arg_1=0, init_61_arg_1=0, init_66_arg_1=0, init_72_arg_1=0, init_85_arg_1=0, init_9_arg_1=2, mask_SORT_1=1, mask_SORT_135=4294967295, mask_SORT_3=4294967295, mask_SORT_6=3, mask_SORT_69=7, msb_SORT_1=1, msb_SORT_135=1073741824, msb_SORT_3=2147483648, msb_SORT_6=2, msb_SORT_69=4, state_101=0, state_111=0, state_131=0, state_133=0, state_17=2, state_178=0, state_208=0, state_210=0, state_212=0, state_214=1, state_216=5, state_221=1, state_235=1, state_237=2, state_239=0, state_241=0, state_243=0, state_245=0, state_247=0, state_249=1, state_25=2, state_251=5, state_256=1, state_270=1, state_272=2, state_274=0, state_276=0, state_278=0, state_280=0, state_282=0, state_284=1, state_286=5, state_291=1, state_305=1, state_307=2, state_309=0, state_311=0, state_60=0, state_65=0, state_71=0, state_8=2, state_84=0, var_10=1, var_136=0, var_4=0, var_5=1, var_55=1, var_59=0, var_7=2, var_70=0, var_73=2, var_75=4, var_78=5, var_81=1, var_83=0, var_89=3] [L189] input_2 = __VERIFIER_nondet_uchar() [L190] input_640 = __VERIFIER_nondet_uchar() [L191] input_761 = __VERIFIER_nondet_uchar() [L192] input_882 = __VERIFIER_nondet_uchar() [L195] SORT_6 var_11_arg_0 = state_8; [L196] SORT_6 var_11_arg_1 = var_10; [L197] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L198] SORT_1 var_12_arg_0 = var_11; [L199] SORT_3 var_12_arg_1 = var_5; [L200] SORT_3 var_12_arg_2 = var_4; [L201] SORT_3 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L202] SORT_3 var_13_arg_0 = var_12; [L203] SORT_1 var_13 = var_13_arg_0 >> 0; [L204] SORT_1 var_14_arg_0 = var_13; [L205] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L206] SORT_3 var_14 = var_14_arg_0; [L207] SORT_3 var_15_arg_0 = var_14; [L208] SORT_3 var_15_arg_1 = var_5; [L209] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L210] SORT_1 var_16_arg_0 = var_15; [L211] SORT_1 var_16 = ~var_16_arg_0; [L212] SORT_6 var_19_arg_0 = state_17; [L213] SORT_6 var_19_arg_1 = var_10; [L214] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L215] SORT_1 var_20_arg_0 = var_19; [L216] SORT_3 var_20_arg_1 = var_5; [L217] SORT_3 var_20_arg_2 = var_4; [L218] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L219] SORT_3 var_21_arg_0 = var_20; [L220] SORT_1 var_21 = var_21_arg_0 >> 0; [L221] SORT_1 var_22_arg_0 = var_21; [L222] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 [L223] SORT_3 var_22 = var_22_arg_0; [L224] SORT_3 var_23_arg_0 = var_22; [L225] SORT_3 var_23_arg_1 = var_5; [L226] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L227] SORT_1 var_24_arg_0 = var_16; [L228] SORT_1 var_24_arg_1 = var_23; [L229] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L230] SORT_6 var_27_arg_0 = state_25; [L231] SORT_6 var_27_arg_1 = var_10; [L232] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L233] SORT_1 var_28_arg_0 = var_27; [L234] SORT_3 var_28_arg_1 = var_5; [L235] SORT_3 var_28_arg_2 = var_4; [L236] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L237] SORT_3 var_29_arg_0 = var_28; [L238] SORT_1 var_29 = var_29_arg_0 >> 0; [L239] SORT_1 var_30_arg_0 = var_29; [L240] var_30_arg_0 = var_30_arg_0 & mask_SORT_1 [L241] SORT_3 var_30 = var_30_arg_0; [L242] SORT_3 var_31_arg_0 = var_30; [L243] SORT_3 var_31_arg_1 = var_5; [L244] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L245] SORT_1 var_32_arg_0 = var_24; [L246] SORT_1 var_32_arg_1 = var_31; [L247] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L248] SORT_1 var_33_arg_0 = var_21; [L249] var_33_arg_0 = var_33_arg_0 & mask_SORT_1 [L250] SORT_3 var_33 = var_33_arg_0; [L251] SORT_3 var_34_arg_0 = var_33; [L252] SORT_3 var_34_arg_1 = var_5; [L253] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L254] SORT_1 var_35_arg_0 = var_34; [L255] SORT_1 var_35 = ~var_35_arg_0; [L256] SORT_1 var_36_arg_0 = var_29; [L257] var_36_arg_0 = var_36_arg_0 & mask_SORT_1 [L258] SORT_3 var_36 = var_36_arg_0; [L259] SORT_3 var_37_arg_0 = var_36; [L260] SORT_3 var_37_arg_1 = var_5; [L261] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L262] SORT_1 var_38_arg_0 = var_35; [L263] SORT_1 var_38_arg_1 = var_37; [L264] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L265] SORT_1 var_39_arg_0 = var_13; [L266] var_39_arg_0 = var_39_arg_0 & mask_SORT_1 [L267] SORT_3 var_39 = var_39_arg_0; [L268] SORT_3 var_40_arg_0 = var_39; [L269] SORT_3 var_40_arg_1 = var_5; [L270] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L271] SORT_1 var_41_arg_0 = var_38; [L272] SORT_1 var_41_arg_1 = var_40; [L273] SORT_1 var_41 = var_41_arg_0 | var_41_arg_1; [L274] SORT_1 var_42_arg_0 = var_32; [L275] SORT_1 var_42_arg_1 = var_41; [L276] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L277] SORT_1 var_43_arg_0 = var_29; [L278] var_43_arg_0 = var_43_arg_0 & mask_SORT_1 [L279] SORT_3 var_43 = var_43_arg_0; [L280] SORT_3 var_44_arg_0 = var_43; [L281] SORT_3 var_44_arg_1 = var_5; [L282] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L283] SORT_1 var_45_arg_0 = var_44; [L284] SORT_1 var_45 = ~var_45_arg_0; [L285] SORT_1 var_46_arg_0 = var_13; [L286] var_46_arg_0 = var_46_arg_0 & mask_SORT_1 [L287] SORT_3 var_46 = var_46_arg_0; [L288] SORT_3 var_47_arg_0 = var_46; [L289] SORT_3 var_47_arg_1 = var_5; [L290] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L291] SORT_1 var_48_arg_0 = var_45; [L292] SORT_1 var_48_arg_1 = var_47; [L293] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L294] SORT_1 var_49_arg_0 = var_21; [L295] var_49_arg_0 = var_49_arg_0 & mask_SORT_1 [L296] SORT_3 var_49 = var_49_arg_0; [L297] SORT_3 var_50_arg_0 = var_49; [L298] SORT_3 var_50_arg_1 = var_5; [L299] SORT_1 var_50 = var_50_arg_0 == var_50_arg_1; [L300] SORT_1 var_51_arg_0 = var_48; [L301] SORT_1 var_51_arg_1 = var_50; [L302] SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; [L303] SORT_1 var_52_arg_0 = var_42; [L304] SORT_1 var_52_arg_1 = var_51; [L305] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L306] SORT_1 var_56_arg_0 = var_52; [L307] SORT_1 var_56 = ~var_56_arg_0; [L308] SORT_1 var_57_arg_0 = var_55; [L309] SORT_1 var_57_arg_1 = var_56; [L310] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L311] var_57 = var_57 & mask_SORT_1 [L312] SORT_1 bad_58_arg_0 = var_57; [L313] CALL __VERIFIER_assert(!(bad_58_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 17:49:00,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:49:01,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:49:01,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:49:01,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:49:01,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:49:01,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:49:01,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:49:01,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:49:01,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:49:01,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:49:01,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:49:01,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:49:01,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:49:01,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:49:01,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:49:01,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:49:01,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:49:01,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:49:01,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:49:01,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:49:01,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:49:01,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:49:01,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:49:01,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:49:01,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:49:01,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:49:01,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:49:01,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:49:01,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:49:01,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:49:01,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:49:01,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:49:01,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:49:01,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:49:01,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:49:01,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:49:01,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:49:01,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:49:01,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:49:01,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:49:01,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:49:01,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 17:49:01,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:49:01,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:49:01,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:49:01,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:49:01,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:49:01,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:49:01,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:49:01,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:49:01,872 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:49:01,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:49:01,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:49:01,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:49:01,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:49:01,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:49:01,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:49:01,873 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:49:01,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:49:01,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:49:01,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:49:01,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:49:01,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:49:01,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:49:01,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:49:01,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:49:01,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:49:01,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:49:01,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:49:01,876 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:49:01,876 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:49:01,876 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:49:01,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:49:01,876 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:49:01,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:49:01,876 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:49:01,877 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:49:01,877 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 [2022-12-13 17:49:02,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:49:02,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:49:02,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:49:02,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:49:02,148 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:49:02,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-12-13 17:49:04,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:49:04,993 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:49:04,994 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-12-13 17:49:05,008 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data/0fa29eea4/f4e64e5e98b444d4acabfbafcce89a9b/FLAG8512db8a5 [2022-12-13 17:49:05,019 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/data/0fa29eea4/f4e64e5e98b444d4acabfbafcce89a9b [2022-12-13 17:49:05,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:49:05,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:49:05,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:49:05,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:49:05,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:49:05,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9f7d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05, skipping insertion in model container [2022-12-13 17:49:05,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:49:05,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:49:05,250 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_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-12-13 17:49:05,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:49:05,548 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:49:05,555 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_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-12-13 17:49:05,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:49:05,714 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:49:05,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05 WrapperNode [2022-12-13 17:49:05,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:49:05,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:49:05,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:49:05,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:49:05,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,842 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2953 [2022-12-13 17:49:05,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:49:05,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:49:05,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:49:05,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:49:05,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:49:05,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:49:05,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:49:05,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:49:05,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (1/1) ... [2022-12-13 17:49:05,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:49:05,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:49:05,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:49:05,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:49:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:49:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:49:06,463 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:49:06,464 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:49:09,744 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:49:09,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:49:09,750 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 17:49:09,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:49:09 BoogieIcfgContainer [2022-12-13 17:49:09,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:49:09,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:49:09,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:49:09,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:49:09,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:49:05" (1/3) ... [2022-12-13 17:49:09,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b44e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:49:09, skipping insertion in model container [2022-12-13 17:49:09,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:49:05" (2/3) ... [2022-12-13 17:49:09,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b44e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:49:09, skipping insertion in model container [2022-12-13 17:49:09,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:49:09" (3/3) ... [2022-12-13 17:49:09,758 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_three.c [2022-12-13 17:49:09,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:49:09,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:49:09,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:49:09,818 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=PETRI_NET, 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;@542175d5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:49:09,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:49:09,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:49:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 17:49:09,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:49:09,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:49:09,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:49:09,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:49:09,830 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 17:49:09,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:49:09,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905445288] [2022-12-13 17:49:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:49:09,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:49:09,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:49:09,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:49:09,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 17:49:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:49:10,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 82 conjunts are in the unsatisfiable core [2022-12-13 17:49:10,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:49:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:49:10,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:49:10,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:49:10,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905445288] [2022-12-13 17:49:10,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905445288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:49:10,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:49:10,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:49:10,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632659204] [2022-12-13 17:49:10,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:49:10,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:49:10,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:49:10,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:49:10,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:49:10,764 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:49:11,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:49:11,088 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 17:49:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:49:11,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-12-13 17:49:11,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:49:11,095 INFO L225 Difference]: With dead ends: 20 [2022-12-13 17:49:11,095 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 17:49:11,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:49:11,099 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:49:11,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 17:49:11,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 17:49:11,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 17:49:11,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:49:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 17:49:11,121 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 17:49:11,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:49:11,121 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 17:49:11,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:49:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 17:49:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 17:49:11,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:49:11,122 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 17:49:11,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:49:11,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:49:11,324 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:49:11,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:49:11,326 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 17:49:11,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:49:11,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554010140] [2022-12-13 17:49:11,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:49:11,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:49:11,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:49:11,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:49:11,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 17:49:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:49:12,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 2809 conjuncts, 88 conjunts are in the unsatisfiable core [2022-12-13 17:49:12,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:49:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:49:12,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:51:38,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-12-13 17:51:38,918 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-13 17:51:38,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:51:38,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554010140] [2022-12-13 17:51:38,920 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-12-13 17:51:38,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 17:51:39,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:51:39,122 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:306) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 52 more [2022-12-13 17:51:39,130 INFO L158 Benchmark]: Toolchain (without parser) took 154107.04ms. Allocated memory was 67.1MB in the beginning and 352.3MB in the end (delta: 285.2MB). Free memory was 41.6MB in the beginning and 164.9MB in the end (delta: -123.3MB). Peak memory consumption was 238.3MB. Max. memory is 16.1GB. [2022-12-13 17:51:39,130 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:51:39,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.20ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.4MB in the beginning and 40.0MB in the end (delta: 1.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-12-13 17:51:39,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.78ms. Allocated memory is still 81.8MB. Free memory was 40.0MB in the beginning and 30.0MB in the end (delta: 10.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-12-13 17:51:39,131 INFO L158 Benchmark]: Boogie Preprocessor took 113.54ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 30.0MB in the beginning and 49.0MB in the end (delta: -19.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-12-13 17:51:39,132 INFO L158 Benchmark]: RCFGBuilder took 3794.67ms. Allocated memory was 98.6MB in the beginning and 243.3MB in the end (delta: 144.7MB). Free memory was 49.0MB in the beginning and 152.9MB in the end (delta: -104.0MB). Peak memory consumption was 140.3MB. Max. memory is 16.1GB. [2022-12-13 17:51:39,132 INFO L158 Benchmark]: TraceAbstraction took 149375.61ms. Allocated memory was 243.3MB in the beginning and 352.3MB in the end (delta: 109.1MB). Free memory was 152.9MB in the beginning and 164.9MB in the end (delta: -11.9MB). Peak memory consumption was 170.5MB. Max. memory is 16.1GB. [2022-12-13 17:51:39,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.20ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.4MB in the beginning and 40.0MB in the end (delta: 1.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.78ms. Allocated memory is still 81.8MB. Free memory was 40.0MB in the beginning and 30.0MB in the end (delta: 10.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.54ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 30.0MB in the beginning and 49.0MB in the end (delta: -19.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3794.67ms. Allocated memory was 98.6MB in the beginning and 243.3MB in the end (delta: 144.7MB). Free memory was 49.0MB in the beginning and 152.9MB in the end (delta: -104.0MB). Peak memory consumption was 140.3MB. Max. memory is 16.1GB. * TraceAbstraction took 149375.61ms. Allocated memory was 243.3MB in the beginning and 352.3MB in the end (delta: 109.1MB). Free memory was 152.9MB in the beginning and 164.9MB in the end (delta: -11.9MB). Peak memory consumption was 170.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13568b3-0bb3-4c2c-a8ae-cd9b33710d60/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")