./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.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_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/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_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/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_d3a61848-4201-47d1-84d7-5bd83fa146e4/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 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c --- 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 21:47:06,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:47:06,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:47:06,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:47:06,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:47:07,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:47:07,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:47:07,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:47:07,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:47:07,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:47:07,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:47:07,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:47:07,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:47:07,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:47:07,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:47:07,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:47:07,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:47:07,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:47:07,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:47:07,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:47:07,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:47:07,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:47:07,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:47:07,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:47:07,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:47:07,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:47:07,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:47:07,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:47:07,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:47:07,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:47:07,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:47:07,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:47:07,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:47:07,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:47:07,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:47:07,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:47:07,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:47:07,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:47:07,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:47:07,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:47:07,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:47:07,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 21:47:07,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:47:07,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:47:07,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:47:07,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:47:07,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:47:07,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:47:07,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:47:07,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:47:07,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:47:07,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:47:07,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:47:07,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:47:07,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:47:07,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:47:07,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:47:07,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:47:07,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:47:07,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:47:07,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:47:07,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:47:07,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:47:07,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:47:07,053 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:47:07,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:47:07,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:47:07,054 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_d3a61848-4201-47d1-84d7-5bd83fa146e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c [2022-12-14 21:47:07,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:47:07,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:47:07,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:47:07,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:47:07,239 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:47:07,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-12-14 21:47:09,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:47:10,082 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:47:10,083 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-12-14 21:47:10,094 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data/fc527f4e4/adba7b55d7764992b74b42a7852e279a/FLAG633ecc6b9 [2022-12-14 21:47:10,105 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data/fc527f4e4/adba7b55d7764992b74b42a7852e279a [2022-12-14 21:47:10,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:47:10,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:47:10,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:47:10,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:47:10,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:47:10,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3987d428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10, skipping insertion in model container [2022-12-14 21:47:10,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:47:10,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:47:10,293 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_d3a61848-4201-47d1-84d7-5bd83fa146e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-12-14 21:47:10,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:47:10,541 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:47:10,549 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_d3a61848-4201-47d1-84d7-5bd83fa146e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-12-14 21:47:10,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:47:10,703 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:47:10,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10 WrapperNode [2022-12-14 21:47:10,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:47:10,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:47:10,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:47:10,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:47:10,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,824 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2443 [2022-12-14 21:47:10,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:47:10,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:47:10,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:47:10,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:47:10,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:47:10,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:47:10,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:47:10,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:47:10,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:10" (1/1) ... [2022-12-14 21:47:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:47:10,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:47:10,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:47:10,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:47:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:47:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:47:11,356 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:47:11,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:52:15,808 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:52:15,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:52:15,844 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:52:15,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:52:15 BoogieIcfgContainer [2022-12-14 21:52:15,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:52:15,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:52:15,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:52:15,857 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:52:15,857 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:52:15" (1/1) ... [2022-12-14 21:52:15,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:52:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:52:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 21:52:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 21:52:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:52:15,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:52:15,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:52:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:52:18,016 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 21:52:28,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:52:38,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:52:41,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:52:41,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:52:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 21:52:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 21:52:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:52:41,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:52:41,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:56:24,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:00:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:00:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-14 22:00:32,976 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 22:00:32,979 INFO L158 Benchmark]: Toolchain (without parser) took 802870.96ms. Allocated memory was 159.4MB in the beginning and 1.0GB in the end (delta: 866.1MB). Free memory was 122.9MB in the beginning and 787.0MB in the end (delta: -664.1MB). Peak memory consumption was 769.4MB. Max. memory is 16.1GB. [2022-12-14 22:00:32,980 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:00:32,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.55ms. Allocated memory is still 159.4MB. Free memory was 122.4MB in the beginning and 96.9MB in the end (delta: 25.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-12-14 22:00:32,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.26ms. Allocated memory is still 159.4MB. Free memory was 95.9MB in the beginning and 68.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 22:00:32,981 INFO L158 Benchmark]: Boogie Preprocessor took 132.28ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 68.7MB in the beginning and 128.8MB in the end (delta: -60.1MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-12-14 22:00:32,982 INFO L158 Benchmark]: RCFGBuilder took 304888.77ms. Allocated memory was 192.9MB in the beginning and 853.5MB in the end (delta: 660.6MB). Free memory was 128.8MB in the beginning and 438.6MB in the end (delta: -309.8MB). Peak memory consumption was 531.1MB. Max. memory is 16.1GB. [2022-12-14 22:00:32,982 INFO L158 Benchmark]: CodeCheck took 497131.56ms. Allocated memory was 853.5MB in the beginning and 1.0GB in the end (delta: 172.0MB). Free memory was 438.6MB in the beginning and 787.0MB in the end (delta: -348.3MB). Peak memory consumption was 389.9MB. Max. memory is 16.1GB. [2022-12-14 22:00:32,985 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 0.18ms. Allocated memory is still 107.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.55ms. Allocated memory is still 159.4MB. Free memory was 122.4MB in the beginning and 96.9MB in the end (delta: 25.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.26ms. Allocated memory is still 159.4MB. Free memory was 95.9MB in the beginning and 68.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.28ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 68.7MB in the beginning and 128.8MB in the end (delta: -60.1MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * RCFGBuilder took 304888.77ms. Allocated memory was 192.9MB in the beginning and 853.5MB in the end (delta: 660.6MB). Free memory was 128.8MB in the beginning and 438.6MB in the end (delta: -309.8MB). Peak memory consumption was 531.1MB. Max. memory is 16.1GB. * CodeCheck took 497131.56ms. Allocated memory was 853.5MB in the beginning and 1.0GB in the end (delta: 172.0MB). Free memory was 438.6MB in the beginning and 787.0MB in the end (delta: -348.3MB). Peak memory consumption was 389.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 22:00:33,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/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_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/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_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/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_d3a61848-4201-47d1-84d7-5bd83fa146e4/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 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c --- 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 22:00:34,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:00:34,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:00:34,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:00:34,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:00:34,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:00:34,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:00:34,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:00:34,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:00:34,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:00:34,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:00:34,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:00:34,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:00:34,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:00:34,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:00:34,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:00:34,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:00:34,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:00:34,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:00:34,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:00:34,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:00:34,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:00:34,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:00:34,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:00:34,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:00:34,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:00:34,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:00:34,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:00:34,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:00:34,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:00:34,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:00:34,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:00:34,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:00:34,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:00:34,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:00:34,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:00:34,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:00:34,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:00:34,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:00:34,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:00:34,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:00:34,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-14 22:00:34,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:00:34,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:00:34,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:00:34,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:00:34,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:00:34,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:00:34,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:00:34,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:00:34,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:00:34,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:00:34,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:00:34,645 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 22:00:34,645 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 22:00:34,645 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 22:00:34,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:00:34,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:00:34,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:00:34,645 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:00:34,645 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:00:34,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:00:34,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:00:34,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:00:34,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:00:34,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:00:34,646 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 22:00:34,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 22:00:34,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:00:34,646 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 22:00:34,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 22:00:34,647 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_d3a61848-4201-47d1-84d7-5bd83fa146e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c [2022-12-14 22:00:34,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:00:34,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:00:34,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:00:34,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:00:34,891 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:00:34,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-12-14 22:00:37,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:00:37,670 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:00:37,670 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-12-14 22:00:37,682 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data/71bbc4f8f/b4a17fd5af2b4ada91ba6c0b345c06b1/FLAGc9b5936f0 [2022-12-14 22:00:37,987 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/data/71bbc4f8f/b4a17fd5af2b4ada91ba6c0b345c06b1 [2022-12-14 22:00:37,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:00:37,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:00:37,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:00:37,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:00:37,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:00:37,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:00:37" (1/1) ... [2022-12-14 22:00:37,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd8e8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:37, skipping insertion in model container [2022-12-14 22:00:37,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:00:37" (1/1) ... [2022-12-14 22:00:38,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:00:38,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:00:38,159 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_d3a61848-4201-47d1-84d7-5bd83fa146e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-12-14 22:00:38,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:00:38,392 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:00:38,400 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_d3a61848-4201-47d1-84d7-5bd83fa146e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-12-14 22:00:38,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:00:38,503 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:00:38,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38 WrapperNode [2022-12-14 22:00:38,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:00:38,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:00:38,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:00:38,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:00:38,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,612 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2443 [2022-12-14 22:00:38,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:00:38,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:00:38,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:00:38,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:00:38,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,665 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:00:38,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:00:38,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:00:38,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:00:38,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:38" (1/1) ... [2022-12-14 22:00:38,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:00:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:00:38,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:00:38,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:00:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:00:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:00:39,098 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:00:39,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:00:41,401 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:00:41,439 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:00:41,439 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:00:41,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:00:41 BoogieIcfgContainer [2022-12-14 22:00:41,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:00:41,443 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:00:41,443 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:00:41,453 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:00:41,453 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:00:41" (1/1) ... [2022-12-14 22:00:41,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:00:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 22:00:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 22:00:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:00:41,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:41,560 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) 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 22:00:41,563 INFO L158 Benchmark]: Toolchain (without parser) took 3572.23ms. Allocated memory was 77.6MB in the beginning and 209.7MB in the end (delta: 132.1MB). Free memory was 52.1MB in the beginning and 117.2MB in the end (delta: -65.1MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-12-14 22:00:41,564 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:00:41,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.16ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 53.6MB in the end (delta: -1.8MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-12-14 22:00:41,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.97ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 51.9MB in the end (delta: 1.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-12-14 22:00:41,565 INFO L158 Benchmark]: Boogie Preprocessor took 69.99ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 41.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:00:41,566 INFO L158 Benchmark]: RCFGBuilder took 2758.67ms. Allocated memory was 94.4MB in the beginning and 209.7MB in the end (delta: 115.3MB). Free memory was 41.3MB in the beginning and 123.5MB in the end (delta: -82.2MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2022-12-14 22:00:41,566 INFO L158 Benchmark]: CodeCheck took 119.00ms. Allocated memory is still 209.7MB. Free memory was 123.5MB in the beginning and 117.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 22:00:41,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.16ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 53.6MB in the end (delta: -1.8MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.97ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 51.9MB in the end (delta: 1.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.99ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 41.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2758.67ms. Allocated memory was 94.4MB in the beginning and 209.7MB in the end (delta: 115.3MB). Free memory was 41.3MB in the beginning and 123.5MB in the end (delta: -82.2MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * CodeCheck took 119.00ms. Allocated memory is still 209.7MB. Free memory was 123.5MB in the beginning and 117.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 22:00:41,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a61848-4201-47d1-84d7-5bd83fa146e4/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared