./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f --- 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 [2022-12-15 03:20:25,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:20:25,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:20:25,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:20:25,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:20:25,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:20:25,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:20:25,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:20:25,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:20:25,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:20:25,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:20:25,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:20:25,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:20:25,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:20:25,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:20:25,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:20:25,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:20:25,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:20:25,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:20:25,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:20:25,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:20:25,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:20:25,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:20:25,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:20:25,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:20:25,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:20:25,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:20:25,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:20:25,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:20:25,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:20:25,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:20:25,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:20:25,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:20:25,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:20:25,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:20:25,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:20:25,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:20:25,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:20:25,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:20:25,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:20:25,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:20:25,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-15 03:20:25,810 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:20:25,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:20:25,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:20:25,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:20:25,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:20:25,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:20:25,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:20:25,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:20:25,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:20:25,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:20:25,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:20:25,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:20:25,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:20:25,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:20:25,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:20:25,814 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:20:25,814 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:20:25,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:20:25,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:25,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:20:25,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:20:25,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:20:25,815 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:20:25,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:20:25,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:20:25,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f [2022-12-15 03:20:25,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:20:25,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:20:25,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:20:25,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:20:25,996 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:20:25,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-12-15 03:20:28,592 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:20:28,855 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:20:28,856 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-12-15 03:20:28,871 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data/868f347df/342c81dcd06340f6b7516b3624a14d22/FLAG983d072be [2022-12-15 03:20:28,884 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data/868f347df/342c81dcd06340f6b7516b3624a14d22 [2022-12-15 03:20:28,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:20:28,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:20:28,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:28,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:20:28,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:20:28,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:28" (1/1) ... [2022-12-15 03:20:28,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517b1d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:28, skipping insertion in model container [2022-12-15 03:20:28,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:28" (1/1) ... [2022-12-15 03:20:28,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:20:28,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:20:29,073 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_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-12-15 03:20:29,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:29,364 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:20:29,372 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_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-12-15 03:20:29,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:29,535 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:20:29,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29 WrapperNode [2022-12-15 03:20:29,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:29,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:29,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:20:29,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:20:29,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,700 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2915 [2022-12-15 03:20:29,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:29,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:20:29,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:20:29,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:20:29,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:20:29,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:20:29,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:20:29,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:20:29,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:29" (1/1) ... [2022-12-15 03:20:29,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:29,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:20:29,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:20:29,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:20:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:20:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:20:30,231 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:20:30,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:34:27,288 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:34:27,313 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:34:27,313 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:34:27,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:34:27 BoogieIcfgContainer [2022-12-15 03:34:27,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:34:27,316 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:34:27,316 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:34:27,322 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:34:27,323 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:34:27" (1/1) ... [2022-12-15 03:34:27,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:34:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:34:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 03:34:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 03:34:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:34:27,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:34:27,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:34:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:34:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:34:39,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:34:49,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:34:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:34:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-15 03:34:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-15 03:34:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:34:52,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:34:52,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-15 03:35:03,523 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 03:35:03,526 INFO L158 Benchmark]: Toolchain (without parser) took 874638.43ms. Allocated memory was 132.1MB in the beginning and 901.8MB in the end (delta: 769.7MB). Free memory was 93.3MB in the beginning and 323.3MB in the end (delta: -230.0MB). Peak memory consumption was 541.3MB. Max. memory is 16.1GB. [2022-12-15 03:35:03,527 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:35:03,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.49ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 93.3MB in the beginning and 108.3MB in the end (delta: -15.0MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2022-12-15 03:35:03,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.36ms. Allocated memory is still 188.7MB. Free memory was 108.3MB in the beginning and 115.4MB in the end (delta: -7.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-12-15 03:35:03,528 INFO L158 Benchmark]: Boogie Preprocessor took 137.29ms. Allocated memory is still 188.7MB. Free memory was 115.4MB in the beginning and 108.4MB in the end (delta: 6.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-12-15 03:35:03,529 INFO L158 Benchmark]: RCFGBuilder took 837476.75ms. Allocated memory was 188.7MB in the beginning and 901.8MB in the end (delta: 713.0MB). Free memory was 107.6MB in the beginning and 781.5MB in the end (delta: -673.9MB). Peak memory consumption was 554.8MB. Max. memory is 16.1GB. [2022-12-15 03:35:03,530 INFO L158 Benchmark]: CodeCheck took 36209.86ms. Allocated memory is still 901.8MB. Free memory was 781.5MB in the beginning and 323.3MB in the end (delta: 458.3MB). Peak memory consumption was 457.2MB. Max. memory is 16.1GB. [2022-12-15 03:35:03,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.49ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 93.3MB in the beginning and 108.3MB in the end (delta: -15.0MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.36ms. Allocated memory is still 188.7MB. Free memory was 108.3MB in the beginning and 115.4MB in the end (delta: -7.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.29ms. Allocated memory is still 188.7MB. Free memory was 115.4MB in the beginning and 108.4MB in the end (delta: 6.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * RCFGBuilder took 837476.75ms. Allocated memory was 188.7MB in the beginning and 901.8MB in the end (delta: 713.0MB). Free memory was 107.6MB in the beginning and 781.5MB in the end (delta: -673.9MB). Peak memory consumption was 554.8MB. Max. memory is 16.1GB. * CodeCheck took 36209.86ms. Allocated memory is still 901.8MB. Free memory was 781.5MB in the beginning and 323.3MB in the end (delta: 458.3MB). Peak memory consumption was 457.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:35:03,745 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-15 03:35:03,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f --- 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 [2022-12-15 03:35:05,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:35:05,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:35:05,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:35:05,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:35:05,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:35:05,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:35:05,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:35:05,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:35:05,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:35:05,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:35:05,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:35:05,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:35:05,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:35:05,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:35:05,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:35:05,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:35:05,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:35:05,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:35:05,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:35:05,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:35:05,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:35:05,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:35:05,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:35:05,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:35:05,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:35:05,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:35:05,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:35:05,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:35:05,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:35:05,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:35:05,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:35:05,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:35:05,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:35:05,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:35:05,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:35:05,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:35:05,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:35:05,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:35:05,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:35:05,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:35:05,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-15 03:35:05,135 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:35:05,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:35:05,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:35:05,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:35:05,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:35:05,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:35:05,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:35:05,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:35:05,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:35:05,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:35:05,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:35:05,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 03:35:05,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 03:35:05,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 03:35:05,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:35:05,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:35:05,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:35:05,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:35:05,138 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:35:05,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:35:05,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:35:05,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:35:05,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:35:05,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:35:05,139 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 03:35:05,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 03:35:05,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:35:05,139 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 03:35:05,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 03:35:05,140 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f [2022-12-15 03:35:05,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:35:05,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:35:05,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:35:05,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:35:05,371 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:35:05,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-12-15 03:35:07,977 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:35:08,262 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:35:08,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-12-15 03:35:08,283 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data/028945c0a/a3f8038670aa44d888c79a48fef19a6c/FLAG42385e0e1 [2022-12-15 03:35:08,296 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/data/028945c0a/a3f8038670aa44d888c79a48fef19a6c [2022-12-15 03:35:08,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:35:08,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:35:08,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:35:08,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:35:08,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:35:08,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:08,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9012e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08, skipping insertion in model container [2022-12-15 03:35:08,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:08,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:35:08,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:35:08,549 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_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-12-15 03:35:08,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:35:08,852 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:35:08,860 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_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-12-15 03:35:08,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:35:08,969 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:35:08,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08 WrapperNode [2022-12-15 03:35:08,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:35:08,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:35:08,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:35:08,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:35:08,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,108 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2915 [2022-12-15 03:35:09,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:35:09,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:35:09,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:35:09,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:35:09,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,196 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:35:09,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:35:09,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:35:09,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:35:09,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:08" (1/1) ... [2022-12-15 03:35:09,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:35:09,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:35:09,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:35:09,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f757c034-fdfd-4aa4-8c70-c4d48a29b2f3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:35:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:35:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:35:09,693 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:35:09,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation