./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal74.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal74.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ --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 070988f1d5614c819ce03ed6eb7a3a187bb15cf5936a342c0d15027eeb031f7f --- 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-6b4ec56 [2022-11-20 17:14:52,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:14:52,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:14:52,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:14:52,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:14:52,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:14:52,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:14:52,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:14:52,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:14:52,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:14:52,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:14:52,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:14:52,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:14:52,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:14:52,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:14:52,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:14:52,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:14:52,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:14:52,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:14:52,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:14:52,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:14:52,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:14:52,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:14:52,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:14:52,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:14:52,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:14:52,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:14:52,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:14:52,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:14:52,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:14:52,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:14:52,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:14:52,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:14:52,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:14:52,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:14:52,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:14:52,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:14:52,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:14:52,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:14:52,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:14:52,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:14:52,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 17:14:52,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:14:52,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:14:52,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:14:52,859 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:14:52,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:14:52,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:14:52,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:14:52,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:14:52,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:14:52,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:14:52,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:14:52,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:14:52,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:14:52,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:14:52,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:14:52,864 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:14:52,864 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:14:52,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:14:52,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:14:52,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:14:52,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:14:52,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:14:52,866 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:14:52,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:14:52,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:14:52,866 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_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070988f1d5614c819ce03ed6eb7a3a187bb15cf5936a342c0d15027eeb031f7f [2022-11-20 17:14:53,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:14:53,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:14:53,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:14:53,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:14:53,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:14:53,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal74.c [2022-11-20 17:14:56,313 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:14:56,938 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:14:56,941 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal74.c [2022-11-20 17:14:56,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/data/994dd9c4d/ac9ce8b32579466d9da1c1689231a444/FLAG0528c6e11 [2022-11-20 17:14:57,009 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/data/994dd9c4d/ac9ce8b32579466d9da1c1689231a444 [2022-11-20 17:14:57,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:14:57,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:14:57,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:14:57,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:14:57,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:14:57,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:57" (1/1) ... [2022-11-20 17:14:57,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77592b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:57, skipping insertion in model container [2022-11-20 17:14:57,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:57" (1/1) ... [2022-11-20 17:14:57,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:14:57,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:14:57,566 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_3adcfa15-df35-4195-9325-cc686b650b28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal74.c[1107,1120] [2022-11-20 17:14:58,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:14:58,740 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:14:58,752 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_3adcfa15-df35-4195-9325-cc686b650b28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal74.c[1107,1120] [2022-11-20 17:14:59,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:14:59,477 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:14:59,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59 WrapperNode [2022-11-20 17:14:59,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:14:59,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:14:59,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:14:59,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:14:59,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:14:59,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:00,462 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11662 [2022-11-20 17:15:00,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:15:00,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:15:00,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:15:00,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:15:00,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:00,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:00,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:00,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:01,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:01,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:01,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:01,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:01,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:15:01,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:15:01,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:15:01,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:15:01,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:59" (1/1) ... [2022-11-20 17:15:01,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:15:01,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:15:01,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:15:01,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3adcfa15-df35-4195-9325-cc686b650b28/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:15:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:15:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:15:03,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:15:03,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation