./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/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_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8ee3d6cfd19d89eb63acd84af9095ccede1106773f9e76a6ea9a3caed85cc30 --- 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 18:40:43,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:40:43,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:40:43,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:40:43,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:40:43,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:40:43,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:40:43,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:40:43,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:40:43,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:40:43,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:40:43,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:40:43,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:40:43,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:40:43,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:40:43,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:40:43,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:40:43,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:40:43,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:40:43,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:40:43,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:40:43,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:40:43,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:40:43,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:40:43,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:40:43,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:40:43,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:40:43,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:40:43,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:40:43,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:40:43,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:40:43,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:40:43,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:40:43,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:40:43,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:40:43,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:40:43,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:40:43,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:40:43,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:40:43,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:40:43,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:40:43,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 18:40:43,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:40:43,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:40:43,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:40:43,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:40:43,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:40:43,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:40:43,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:40:43,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:40:43,784 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:40:43,784 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:40:43,785 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:40:43,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:40:43,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:40:43,785 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:40:43,785 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:40:43,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:40:43,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:40:43,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:40:43,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:40:43,786 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:40:43,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:40:43,787 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_b5be56df-ea4a-4bfa-9063-aa2385cbe391/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ee3d6cfd19d89eb63acd84af9095ccede1106773f9e76a6ea9a3caed85cc30 [2022-12-14 18:40:43,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:40:44,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:40:44,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:40:44,006 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:40:44,006 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:40:44,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2022-12-14 18:40:46,526 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:40:46,710 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:40:46,710 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2022-12-14 18:40:46,718 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/data/344602fd3/d9f8f08e164a47b6a7c580d9d7e8a653/FLAG6c0af0e84 [2022-12-14 18:40:47,104 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/data/344602fd3/d9f8f08e164a47b6a7c580d9d7e8a653 [2022-12-14 18:40:47,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:40:47,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:40:47,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:40:47,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:40:47,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:40:47,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3e2d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47, skipping insertion in model container [2022-12-14 18:40:47,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:40:47,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:40:47,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:40:47,363 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:40:47,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:40:47,414 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:40:47,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47 WrapperNode [2022-12-14 18:40:47,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:40:47,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:40:47,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:40:47,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:40:47,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,439 INFO L138 Inliner]: procedures = 111, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-12-14 18:40:47,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:40:47,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:40:47,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:40:47,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:40:47,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,454 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:40:47,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:40:47,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:40:47,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:40:47,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:40:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:40:47,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:40:47,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:40:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:40:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:40:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:40:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:40:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:40:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:40:47,587 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:40:47,589 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:40:47,682 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:40:47,706 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:40:47,706 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:40:47,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:40:47 BoogieIcfgContainer [2022-12-14 18:40:47,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:40:47,709 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:40:47,709 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:40:47,716 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:40:47,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:40:47" (1/1) ... [2022-12-14 18:40:47,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:40:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2022-12-14 18:40:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-12-14 18:40:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 18:40:47,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:47,969 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 18:40:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2022-12-14 18:40:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-12-14 18:40:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 18:40:47,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:47,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:48,122 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 18:40:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2022-12-14 18:40:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-12-14 18:40:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:40:48,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:48,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:48,256 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 18:40:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-12-14 18:40:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-12-14 18:40:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:40:48,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:48,409 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 18:40:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2022-12-14 18:40:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-12-14 18:40:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:40:48,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:48,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:48,607 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 18:40:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-12-14 18:40:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-12-14 18:40:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:40:48,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:48,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:48,757 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 18:40:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2022-12-14 18:40:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-12-14 18:40:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:40:48,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:48,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:48,985 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 18:40:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-12-14 18:40:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-12-14 18:40:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:40:49,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:49,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:49,142 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 18:40:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-12-14 18:40:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-12-14 18:40:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:40:49,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:49,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:49,359 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 18:40:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-12-14 18:40:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-12-14 18:40:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:40:49,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:49,469 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 18:40:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-12-14 18:40:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-12-14 18:40:49,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:40:49,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:49,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:49,792 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 18:40:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2022-12-14 18:40:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2022-12-14 18:40:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:40:50,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,510 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 18:40:50,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2022-12-14 18:40:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2022-12-14 18:40:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:40:50,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,535 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 18:40:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2022-12-14 18:40:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2022-12-14 18:40:50,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:40:50,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,573 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 18:40:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2022-12-14 18:40:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-12-14 18:40:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:40:50,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,721 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 18:40:50,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-12-14 18:40:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-12-14 18:40:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:40:50,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,838 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 18:40:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2022-12-14 18:40:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-12-14 18:40:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:40:50,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,894 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 18:40:50,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2022-12-14 18:40:50,919 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-12-14 18:40:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:40:50,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:40:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-12-14 18:40:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-12-14 18:40:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:40:50,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:50,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:40:51,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2022-12-14 18:40:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-14 18:40:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:40:51,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:51,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:40:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2022-12-14 18:40:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-12-14 18:40:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:40:51,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:51,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:40:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-12-14 18:40:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-12-14 18:40:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:40:51,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:51,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:40:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 18:40:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 18:40:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:40:51,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:51,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:40:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-12-14 18:40:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 18:40:51,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:40:51,839 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2022-12-14 18:40:51,845 INFO L754 CodeCheckObserver]: All specifications hold 17 specifications checked. All of them hold [2022-12-14 18:40:51,952 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 18:40:51,958 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-12-14 18:40:51,960 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2022-12-14 18:40:51,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:40:51 ImpRootNode [2022-12-14 18:40:51,961 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:40:51,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:40:51,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:40:51,961 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:40:51,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:40:47" (3/4) ... [2022-12-14 18:40:51,964 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:40:51,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 18:40:51,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 18:40:51,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:40:51,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:40:51,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(x_ref + 1 <= 0) && res + 4 <= unknown-#length-unknown[res]) && \valid[x_ref] == 1) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[res] == 1 [2022-12-14 18:40:51,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res + 4 <= unknown-#length-unknown[res] && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[res] == 1 [2022-12-14 18:40:51,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 18:40:51,995 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:40:51,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:40:51,996 INFO L158 Benchmark]: Toolchain (without parser) took 4887.07ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 105.6MB in the beginning and 77.3MB in the end (delta: 28.3MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2022-12-14 18:40:51,996 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:40:51,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.01ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 90.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:40:51,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.09ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:40:51,997 INFO L158 Benchmark]: Boogie Preprocessor took 15.26ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.4MB in the end (delta: 922.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:40:51,998 INFO L158 Benchmark]: RCFGBuilder took 251.99ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 73.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:40:51,998 INFO L158 Benchmark]: CodeCheck took 4252.31ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 72.8MB in the beginning and 80.5MB in the end (delta: -7.7MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2022-12-14 18:40:51,999 INFO L158 Benchmark]: Witness Printer took 33.91ms. Allocated memory is still 205.5MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:40:52,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 29 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1060 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 994 mSDsluCounter, 689 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 559 mSDsCounter, 584 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2857 IncrementalHoareTripleChecker+Invalid, 3441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 584 mSolverCounterUnsat, 130 mSDtfsCounter, 2857 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1403 GetRequests, 1244 SyntacticMatches, 45 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6177 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 1197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((res + 4 <= unknown-#length-unknown[res] && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[res] == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((((!(x_ref + 1 <= 0) && res + 4 <= unknown-#length-unknown[res]) && \valid[x_ref] == 1) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[res] == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.01ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 90.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.09ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.26ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.4MB in the end (delta: 922.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 251.99ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 73.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 4252.31ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 72.8MB in the beginning and 80.5MB in the end (delta: -7.7MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Witness Printer took 33.91ms. Allocated memory is still 205.5MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:40:52,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5be56df-ea4a-4bfa-9063-aa2385cbe391/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: TRUE