./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:33:37,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:33:37,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:33:37,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:33:37,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:33:37,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:33:37,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:33:37,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:33:37,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:33:37,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:33:37,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:33:37,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:33:37,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:33:37,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:33:37,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:33:37,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:33:37,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:33:37,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:33:37,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:33:37,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:33:37,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:33:37,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:33:37,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:33:37,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:33:37,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:33:37,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:33:37,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:33:37,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:33:37,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:33:37,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:33:37,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:33:37,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:33:37,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:33:37,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:33:37,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:33:37,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:33:37,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:33:37,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:33:37,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:33:37,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:33:37,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:33:37,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 21:33:37,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:33:37,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:33:37,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:33:37,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:33:37,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:33:37,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:33:37,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:33:37,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:33:37,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:33:37,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:33:37,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:33:37,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:33:37,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:33:37,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:33:37,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:33:37,646 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:33:37,646 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:33:37,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:33:37,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:33:37,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:33:37,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:33:37,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:33:37,647 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:33:37,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:33:37,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:33:37,648 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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b [2022-12-14 21:33:37,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:33:37,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:33:37,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:33:37,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:33:37,877 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:33:37,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-12-14 21:33:40,562 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:33:40,804 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:33:40,804 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-12-14 21:33:40,817 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data/9b448f4f7/c0f180c595144160914ea4c6daeeef6b/FLAG174f379fd [2022-12-14 21:33:40,829 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data/9b448f4f7/c0f180c595144160914ea4c6daeeef6b [2022-12-14 21:33:40,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:33:40,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:33:40,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:33:40,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:33:40,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:33:40,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:33:40" (1/1) ... [2022-12-14 21:33:40,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab21d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:40, skipping insertion in model container [2022-12-14 21:33:40,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:33:40" (1/1) ... [2022-12-14 21:33:40,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:33:40,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:33:41,012 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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-12-14 21:33:41,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:33:41,272 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:33:41,280 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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-12-14 21:33:41,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:33:41,412 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:33:41,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41 WrapperNode [2022-12-14 21:33:41,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:33:41,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:33:41,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:33:41,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:33:41,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,529 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2697 [2022-12-14 21:33:41,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:33:41,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:33:41,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:33:41,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:33:41,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:33:41,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:33:41,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:33:41,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:33:41,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:33:41" (1/1) ... [2022-12-14 21:33:41,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:33:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:33:41,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:33:41,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:33:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:33:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:33:42,050 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:33:42,052 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:39:37,731 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:39:37,755 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:39:37,755 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:39:37,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:39:37 BoogieIcfgContainer [2022-12-14 21:39:37,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:39:37,758 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:39:37,758 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:39:37,765 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:39:37,765 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:39:37" (1/1) ... [2022-12-14 21:39:37,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:39:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:39:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 21:39:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 21:39:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:39:37,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:39:37,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:39:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:39:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:39:49,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:40:00,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:40:01,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:40:04,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:40:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 21:40:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 21:40:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:40:04,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:43:51,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:47:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:48:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-14 21:48:03,563 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) [2022-12-14 21:48:03,566 INFO L158 Benchmark]: Toolchain (without parser) took 862734.14ms. Allocated memory was 180.4MB in the beginning and 828.4MB in the end (delta: 648.0MB). Free memory was 143.2MB in the beginning and 307.2MB in the end (delta: -164.0MB). Peak memory consumption was 486.1MB. Max. memory is 16.1GB. [2022-12-14 21:48:03,566 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:48:03,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.47ms. Allocated memory is still 180.4MB. Free memory was 142.7MB in the beginning and 121.3MB in the end (delta: 21.4MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-12-14 21:48:03,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.87ms. Allocated memory is still 180.4MB. Free memory was 121.3MB in the beginning and 91.2MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 21:48:03,568 INFO L158 Benchmark]: Boogie Preprocessor took 90.26ms. Allocated memory is still 180.4MB. Free memory was 91.2MB in the beginning and 77.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:48:03,568 INFO L158 Benchmark]: RCFGBuilder took 356137.13ms. Allocated memory was 180.4MB in the beginning and 828.4MB in the end (delta: 648.0MB). Free memory was 77.0MB in the beginning and 677.3MB in the end (delta: -600.3MB). Peak memory consumption was 475.5MB. Max. memory is 16.1GB. [2022-12-14 21:48:03,569 INFO L158 Benchmark]: CodeCheck took 505807.20ms. Allocated memory is still 828.4MB. Free memory was 677.3MB in the beginning and 307.2MB in the end (delta: 370.1MB). Peak memory consumption was 370.1MB. Max. memory is 16.1GB. [2022-12-14 21:48:03,571 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 0.19ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.47ms. Allocated memory is still 180.4MB. Free memory was 142.7MB in the beginning and 121.3MB in the end (delta: 21.4MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.87ms. Allocated memory is still 180.4MB. Free memory was 121.3MB in the beginning and 91.2MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.26ms. Allocated memory is still 180.4MB. Free memory was 91.2MB in the beginning and 77.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 356137.13ms. Allocated memory was 180.4MB in the beginning and 828.4MB in the end (delta: 648.0MB). Free memory was 77.0MB in the beginning and 677.3MB in the end (delta: -600.3MB). Peak memory consumption was 475.5MB. Max. memory is 16.1GB. * CodeCheck took 505807.20ms. Allocated memory is still 828.4MB. Free memory was 677.3MB in the beginning and 307.2MB in the end (delta: 370.1MB). Peak memory consumption was 370.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:48:03,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:48:05,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:48:05,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:48:05,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:48:05,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:48:05,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:48:05,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:48:05,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:48:05,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:48:05,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:48:05,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:48:05,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:48:05,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:48:05,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:48:05,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:48:05,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:48:05,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:48:05,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:48:05,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:48:05,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:48:05,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:48:05,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:48:05,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:48:05,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:48:05,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:48:05,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:48:05,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:48:05,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:48:05,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:48:05,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:48:05,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:48:05,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:48:05,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:48:05,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:48:05,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:48:05,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:48:05,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:48:05,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:48:05,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:48:05,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:48:05,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:48:05,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-14 21:48:05,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:48:05,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:48:05,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:48:05,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:48:05,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:48:05,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:48:05,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:48:05,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:48:05,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:48:05,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:48:05,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:48:05,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 21:48:05,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 21:48:05,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 21:48:05,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:48:05,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:48:05,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:48:05,307 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:48:05,307 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:48:05,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:48:05,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:48:05,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:48:05,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:48:05,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:48:05,308 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 21:48:05,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 21:48:05,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:48:05,308 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 21:48:05,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 21:48:05,308 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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b [2022-12-14 21:48:05,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:48:05,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:48:05,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:48:05,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:48:05,522 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:48:05,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-12-14 21:48:08,134 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:48:08,405 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:48:08,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-12-14 21:48:08,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data/c9ce02bdc/31ba2cb39067442880fe7b108ce0e49a/FLAG785414df4 [2022-12-14 21:48:08,428 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/data/c9ce02bdc/31ba2cb39067442880fe7b108ce0e49a [2022-12-14 21:48:08,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:48:08,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:48:08,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:48:08,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:48:08,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:48:08,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:08,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b4a157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08, skipping insertion in model container [2022-12-14 21:48:08,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:08,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:48:08,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:48:08,633 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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-12-14 21:48:08,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:48:08,830 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:48:08,838 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_22de023e-bb06-41bd-8fa5-b7e2b73d3756/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-12-14 21:48:08,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:48:08,950 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:48:08,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08 WrapperNode [2022-12-14 21:48:08,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:48:08,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:48:08,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:48:08,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:48:08,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:08,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,078 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2697 [2022-12-14 21:48:09,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:48:09,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:48:09,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:48:09,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:48:09,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:48:09,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:48:09,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:48:09,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:48:09,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:48:08" (1/1) ... [2022-12-14 21:48:09,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:48:09,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:48:09,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:48:09,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22de023e-bb06-41bd-8fa5-b7e2b73d3756/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:48:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:48:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:48:09,616 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:48:09,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation