./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-optional-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/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_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-optional-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8287e6117d458104c3f33a0e7a83f771b50c3974e23296edc32c92f0b8cae546 --- 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 17:49:41,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:49:41,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:49:41,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:49:41,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:49:41,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:49:41,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:49:41,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:49:41,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:49:41,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:49:41,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:49:41,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:49:41,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:49:41,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:49:41,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:49:41,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:49:41,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:49:41,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:49:41,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:49:41,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:49:41,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:49:41,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:49:41,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:49:41,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:49:41,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:49:41,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:49:41,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:49:41,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:49:41,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:49:41,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:49:41,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:49:41,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:49:41,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:49:41,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:49:41,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:49:41,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:49:41,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:49:41,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:49:41,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:49:41,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:49:41,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:49:41,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-14 17:49:41,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:49:41,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:49:41,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:49:41,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:49:41,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:49:41,163 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 17:49:41,169 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 17:49:41,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:49:41,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 17:49:41,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:49:41,170 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 17:49:41,170 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 17:49:41,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:49:41,170 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 17:49:41,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:49:41,171 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:49:41,171 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:49:41,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:49:41,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:49:41,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:49:41,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:49:41,171 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:49:41,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:49:41,172 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_812c059b-267f-4b2d-81a8-f006892a1b3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8287e6117d458104c3f33a0e7a83f771b50c3974e23296edc32c92f0b8cae546 [2022-12-14 17:49:41,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:49:41,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:49:41,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:49:41,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:49:41,360 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:49:41,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/forester-heap/dll-optional-2.i [2022-12-14 17:49:43,951 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:49:44,124 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:49:44,124 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/sv-benchmarks/c/forester-heap/dll-optional-2.i [2022-12-14 17:49:44,132 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/data/de79d3287/86a447eba2ca4998a80adab035a5dd06/FLAGc275c2660 [2022-12-14 17:49:44,142 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/data/de79d3287/86a447eba2ca4998a80adab035a5dd06 [2022-12-14 17:49:44,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:49:44,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:49:44,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:49:44,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:49:44,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:49:44,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567f2f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44, skipping insertion in model container [2022-12-14 17:49:44,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:49:44,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:49:44,353 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_812c059b-267f-4b2d-81a8-f006892a1b3a/sv-benchmarks/c/forester-heap/dll-optional-2.i[22706,22719] [2022-12-14 17:49:44,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:49:44,366 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:49:44,393 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_812c059b-267f-4b2d-81a8-f006892a1b3a/sv-benchmarks/c/forester-heap/dll-optional-2.i[22706,22719] [2022-12-14 17:49:44,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:49:44,411 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:49:44,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44 WrapperNode [2022-12-14 17:49:44,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:49:44,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:49:44,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:49:44,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:49:44,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,442 INFO L138 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 121 [2022-12-14 17:49:44,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:49:44,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:49:44,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:49:44,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:49:44,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:49:44,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:49:44,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:49:44,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:49:44,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:44" (1/1) ... [2022-12-14 17:49:44,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:49:44,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:49:44,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:49:44,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 17:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 17:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 17:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 17:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 17:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 17:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:49:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:49:44,629 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:49:44,631 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:49:44,981 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:49:45,038 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:49:45,038 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 17:49:45,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:49:45 BoogieIcfgContainer [2022-12-14 17:49:45,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:49:45,042 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:49:45,042 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:49:45,052 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:49:45,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:49:45" (1/1) ... [2022-12-14 17:49:45,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:49:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 119 states and 131 transitions. [2022-12-14 17:49:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2022-12-14 17:49:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 17:49:45,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,228 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 17:49:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 118 states and 130 transitions. [2022-12-14 17:49:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-12-14 17:49:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 17:49:45,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,312 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 17:49:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 117 states and 129 transitions. [2022-12-14 17:49:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2022-12-14 17:49:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 17:49:45,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,393 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 17:49:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 116 states and 128 transitions. [2022-12-14 17:49:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2022-12-14 17:49:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 17:49:45,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,457 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 17:49:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 115 states and 127 transitions. [2022-12-14 17:49:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2022-12-14 17:49:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 17:49:45,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,496 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 17:49:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 114 states and 126 transitions. [2022-12-14 17:49:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2022-12-14 17:49:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 17:49:45,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,578 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 17:49:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 113 states and 125 transitions. [2022-12-14 17:49:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2022-12-14 17:49:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:49:45,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,723 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 17:49:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 112 states and 124 transitions. [2022-12-14 17:49:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2022-12-14 17:49:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:49:45,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,825 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 17:49:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 111 states and 123 transitions. [2022-12-14 17:49:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2022-12-14 17:49:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:49:45,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,868 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 17:49:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 110 states and 122 transitions. [2022-12-14 17:49:45,880 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2022-12-14 17:49:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:49:45,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,917 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 17:49:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 109 states and 121 transitions. [2022-12-14 17:49:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-12-14 17:49:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:49:45,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,948 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 17:49:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 108 states and 120 transitions. [2022-12-14 17:49:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-12-14 17:49:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:49:45,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:45,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:45,994 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 17:49:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 107 states and 119 transitions. [2022-12-14 17:49:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2022-12-14 17:49:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:49:46,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,030 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 17:49:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2022-12-14 17:49:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2022-12-14 17:49:46,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:49:46,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,095 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 17:49:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 105 states and 117 transitions. [2022-12-14 17:49:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2022-12-14 17:49:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:49:46,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,207 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 17:49:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 104 states and 116 transitions. [2022-12-14 17:49:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2022-12-14 17:49:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:49:46,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,251 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 17:49:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 103 states and 115 transitions. [2022-12-14 17:49:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2022-12-14 17:49:46,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:49:46,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,281 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 17:49:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 102 states and 114 transitions. [2022-12-14 17:49:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2022-12-14 17:49:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:49:46,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,333 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 17:49:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 101 states and 113 transitions. [2022-12-14 17:49:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2022-12-14 17:49:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 17:49:46,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,420 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 17:49:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 100 states and 112 transitions. [2022-12-14 17:49:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2022-12-14 17:49:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 17:49:46,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:46,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:46,792 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 17:49:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 99 states and 111 transitions. [2022-12-14 17:49:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2022-12-14 17:49:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 17:49:47,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:47,339 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 17:49:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 103 states and 118 transitions. [2022-12-14 17:49:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2022-12-14 17:49:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 17:49:47,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:47,546 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 17:49:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:47,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 107 states and 128 transitions. [2022-12-14 17:49:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2022-12-14 17:49:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:49:47,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:47,869 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 17:49:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 109 states and 133 transitions. [2022-12-14 17:49:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 133 transitions. [2022-12-14 17:49:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:49:48,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:48,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:48,920 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 17:49:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 108 states and 131 transitions. [2022-12-14 17:49:49,091 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2022-12-14 17:49:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:49:49,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:49,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:49,112 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 17:49:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 107 states and 130 transitions. [2022-12-14 17:49:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2022-12-14 17:49:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:49:49,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:49,256 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 17:49:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 108 states and 132 transitions. [2022-12-14 17:49:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 132 transitions. [2022-12-14 17:49:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:49:49,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:49,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:49,583 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 17:49:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2022-12-14 17:49:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2022-12-14 17:49:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:49:49,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:49,809 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 17:49:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 118 states and 158 transitions. [2022-12-14 17:49:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 158 transitions. [2022-12-14 17:49:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:49:50,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:50,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:50,224 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 17:49:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 120 states and 163 transitions. [2022-12-14 17:49:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2022-12-14 17:49:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:49:50,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:50,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:51,107 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 17:49:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2022-12-14 17:49:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2022-12-14 17:49:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:49:51,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:52,121 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 17:49:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 127 states and 182 transitions. [2022-12-14 17:49:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 182 transitions. [2022-12-14 17:49:53,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:49:53,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:53,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:53,189 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 17:49:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 128 states and 184 transitions. [2022-12-14 17:49:53,421 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2022-12-14 17:49:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:49:53,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:53,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:53,451 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 17:49:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 130 states and 187 transitions. [2022-12-14 17:49:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2022-12-14 17:49:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:49:53,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:53,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:53,760 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 17:49:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 130 states and 186 transitions. [2022-12-14 17:49:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2022-12-14 17:49:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:49:53,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:53,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:53,798 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 17:49:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 129 states and 184 transitions. [2022-12-14 17:49:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 184 transitions. [2022-12-14 17:49:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:49:54,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:54,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:54,661 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 17:49:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 128 states and 183 transitions. [2022-12-14 17:49:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 183 transitions. [2022-12-14 17:49:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:49:54,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:54,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:54,724 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 17:49:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 130 states and 186 transitions. [2022-12-14 17:49:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2022-12-14 17:49:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:49:54,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:54,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:55,085 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 17:49:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 135 states and 194 transitions. [2022-12-14 17:49:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 194 transitions. [2022-12-14 17:49:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:49:56,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:49:56,697 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 17:49:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:49:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 199 transitions. [2022-12-14 17:49:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2022-12-14 17:49:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 17:49:57,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:49:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:49:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 17:49:57,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 17:49:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 17:49:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 17:49:57,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 17:49:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 17:49:57,460 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2022-12-14 17:49:57,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 05:49:57 ImpRootNode [2022-12-14 17:49:57,478 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 17:49:57,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 17:49:57,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 17:49:57,479 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 17:49:57,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:49:45" (3/4) ... [2022-12-14 17:49:57,480 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 17:49:57,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 17:49:57,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 17:49:57,505 INFO L158 Benchmark]: Toolchain (without parser) took 13359.87ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 90.1MB in the beginning and 69.8MB in the end (delta: 20.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-12-14 17:49:57,505 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:49:57,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.64ms. Allocated memory is still 127.9MB. Free memory was 89.7MB in the beginning and 72.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 17:49:57,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.07ms. Allocated memory is still 127.9MB. Free memory was 72.2MB in the beginning and 70.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:49:57,507 INFO L158 Benchmark]: Boogie Preprocessor took 28.79ms. Allocated memory is still 127.9MB. Free memory was 70.0MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:49:57,508 INFO L158 Benchmark]: RCFGBuilder took 569.46ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 68.4MB in the beginning and 122.4MB in the end (delta: -54.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-12-14 17:49:57,508 INFO L158 Benchmark]: CodeCheck took 12436.64ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 71.9MB in the end (delta: 50.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2022-12-14 17:49:57,509 INFO L158 Benchmark]: Witness Printer took 25.52ms. Allocated memory is still 155.2MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:49:57,512 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, 119 locations, 66 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2448 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2134 mSDsluCounter, 2204 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1582 mSDsCounter, 2148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7302 IncrementalHoareTripleChecker+Invalid, 9450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2148 mSolverCounterUnsat, 622 mSDtfsCounter, 7302 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3026 GetRequests, 2773 SyntacticMatches, 43 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16210 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 1676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 1009]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L997] SLL* head = malloc(sizeof(SLL)); [L998] head->next = ((void*)0) VAL [head={-1:0}] [L999] head->prev = ((void*)0) [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1000] COND TRUE __VERIFIER_nondet_int() [L1000] head->data = 1 VAL [head={-1:0}] [L1000] head->opt = head VAL [head={-1:0}] [L1001] SLL* x = head; VAL [head={-1:0}, x={-1:0}] [L1003] COND FALSE !(__VERIFIER_nondet_int()) [L1006] x = head VAL [head={-1:0}, x={-1:0}] [L1007] COND TRUE x != ((void*)0) VAL [head={-1:0}, x={-1:0}] [L1009] EXPR x->data [L1009] EXPR x->data == 2 && x->opt == x VAL [head={-1:0}, x={-1:0}, x->data=1, x->data == 2 && x->opt == x=0] [L1009] COND TRUE !(x->data == 2 && x->opt == x) [L1009] reach_error() VAL [head={-1:0}, x={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.64ms. Allocated memory is still 127.9MB. Free memory was 89.7MB in the beginning and 72.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.07ms. Allocated memory is still 127.9MB. Free memory was 72.2MB in the beginning and 70.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.79ms. Allocated memory is still 127.9MB. Free memory was 70.0MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.46ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 68.4MB in the beginning and 122.4MB in the end (delta: -54.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * CodeCheck took 12436.64ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 71.9MB in the end (delta: 50.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Witness Printer took 25.52ms. Allocated memory is still 155.2MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 17:49:57,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812c059b-267f-4b2d-81a8-f006892a1b3a/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)