./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/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_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/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 32bit --witnessprinter.graph.data.programhash 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 --- 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 19:59:36,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:59:36,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:59:36,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:59:36,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:59:36,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:59:36,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:59:36,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:59:36,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:59:36,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:59:36,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:59:36,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:59:36,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:59:36,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:59:36,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:59:36,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:59:36,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:59:36,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:59:36,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:59:36,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:59:36,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:59:36,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:59:36,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:59:36,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:59:36,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:59:36,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:59:36,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:59:36,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:59:36,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:59:36,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:59:36,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:59:36,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:59:36,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:59:36,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:59:36,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:59:36,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:59:36,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:59:36,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:59:36,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:59:36,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:59:36,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:59:36,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:59:36,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:59:36,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:59:36,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:59:36,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:59:36,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:59:36,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:59:36,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:59:36,760 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:59:36,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:59:36,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:59:36,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:59:36,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:59:36,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:59:36,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:59:36,762 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:59:36,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:59:36,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:59:36,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:59:36,762 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:59:36,763 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:59:36,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:59:36,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:59:36,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:59:36,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:59:36,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:59:36,764 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:59:36,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:59:36,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:59:36,764 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_3180eaf3-4d21-452f-ac17-0749685c2e9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 [2022-12-14 19:59:36,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:59:36,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:59:36,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:59:36,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:59:36,951 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:59:36,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2022-12-14 19:59:39,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:59:39,870 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:59:39,870 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2022-12-14 19:59:39,879 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/data/71fb50d64/619c3f1f0e9240dc9e1d3cf6c2bec24e/FLAG58db0015a [2022-12-14 19:59:39,890 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/data/71fb50d64/619c3f1f0e9240dc9e1d3cf6c2bec24e [2022-12-14 19:59:39,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:59:39,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:59:39,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:59:39,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:59:39,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:59:39,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:59:39" (1/1) ... [2022-12-14 19:59:39,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a81572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:39, skipping insertion in model container [2022-12-14 19:59:39,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:59:39" (1/1) ... [2022-12-14 19:59:39,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:59:39,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:59:40,079 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_3180eaf3-4d21-452f-ac17-0749685c2e9a/sv-benchmarks/c/eca-rers2012/Problem11_label52.c[7609,7622] [2022-12-14 19:59:40,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:59:40,219 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:59:40,239 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_3180eaf3-4d21-452f-ac17-0749685c2e9a/sv-benchmarks/c/eca-rers2012/Problem11_label52.c[7609,7622] [2022-12-14 19:59:40,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:59:40,336 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:59:40,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40 WrapperNode [2022-12-14 19:59:40,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:59:40,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:59:40,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:59:40,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:59:40,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,442 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 19:59:40,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:59:40,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:59:40,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:59:40,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:59:40,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:59:40,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:59:40,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:59:40,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:59:40,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:40" (1/1) ... [2022-12-14 19:59:40,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:59:40,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:59:40,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:59:40,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3180eaf3-4d21-452f-ac17-0749685c2e9a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:59:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:59:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:59:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:59:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:59:40,651 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:59:40,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:59:41,825 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:59:45,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:59:45,721 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:59:45,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:45 BoogieIcfgContainer [2022-12-14 19:59:45,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:59:45,724 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:59:45,724 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:59:45,730 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:59:45,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:45" (1/1) ... [2022-12-14 19:59:45,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:59:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:59:45,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 19:59:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 19:59:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:59:45,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:59:45,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:59:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:59:45,924 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 19:59:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:59:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 19:59:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 19:59:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:59:46,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:59:46,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:59:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:00:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:00:27,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:00:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:00:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 20:00:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 20:00:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:00:27,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:00:27,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:00:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:01:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:01:51,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:01:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:01:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-12-14 20:01:52,332 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-12-14 20:01:52,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:01:52,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:01:52,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:01:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:03:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-12-14 20:03:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-12-14 20:03:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:03:05,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2022-12-14 20:07:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2022-12-14 20:07:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:07:38,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:38,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:12:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:12:07,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:12:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:12:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2022-12-14 20:12:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2022-12-14 20:12:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:12:07,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:12:07,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:12:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat