./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-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_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/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_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/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_691ff07d-afae-4fe8-8370-7360a5e0e648/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 88a09c8f9046119952ab983278979c8bac528a0f4e69aababe99c00b4eccdca0 --- 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 [2022-12-15 01:45:23,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:45:23,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:45:23,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:45:23,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:45:23,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:45:23,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:45:23,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:45:23,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:45:23,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:45:23,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:45:23,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:45:23,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:45:23,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:45:23,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:45:23,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:45:23,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:45:23,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:45:23,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:45:23,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:45:23,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:45:23,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:45:23,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:45:23,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:45:23,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:45:23,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:45:23,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:45:23,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:45:23,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:45:23,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:45:23,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:45:23,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:45:23,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:45:23,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:45:23,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:45:23,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:45:23,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:45:23,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:45:23,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:45:23,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:45:23,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:45:23,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-15 01:45:23,682 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:45:23,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:45:23,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:45:23,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:45:23,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:45:23,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:45:23,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:45:23,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:45:23,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:45:23,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:45:23,685 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 01:45:23,685 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 01:45:23,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:45:23,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:45:23,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:45:23,685 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:45:23,685 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:45:23,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:45:23,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:45:23,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:45:23,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:45:23,686 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:45:23,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:45:23,686 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_691ff07d-afae-4fe8-8370-7360a5e0e648/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88a09c8f9046119952ab983278979c8bac528a0f4e69aababe99c00b4eccdca0 [2022-12-15 01:45:23,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:45:23,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:45:23,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:45:23,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:45:23,884 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:45:23,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/forester-heap/sll-optional-2.i [2022-12-15 01:45:26,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:45:26,700 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:45:26,701 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/sv-benchmarks/c/forester-heap/sll-optional-2.i [2022-12-15 01:45:26,708 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/data/521072c3e/6149aed72ca84832bba111f963a0e61b/FLAG4fd91d0d0 [2022-12-15 01:45:26,718 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/data/521072c3e/6149aed72ca84832bba111f963a0e61b [2022-12-15 01:45:26,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:45:26,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:45:26,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:45:26,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:45:26,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:45:26,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7f555b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26, skipping insertion in model container [2022-12-15 01:45:26,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:45:26,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:45:26,925 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_691ff07d-afae-4fe8-8370-7360a5e0e648/sv-benchmarks/c/forester-heap/sll-optional-2.i[22641,22654] [2022-12-15 01:45:26,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:45:26,938 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:45:26,965 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_691ff07d-afae-4fe8-8370-7360a5e0e648/sv-benchmarks/c/forester-heap/sll-optional-2.i[22641,22654] [2022-12-15 01:45:26,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:45:26,983 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:45:26,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26 WrapperNode [2022-12-15 01:45:26,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:45:26,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:45:26,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:45:26,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:45:26,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,014 INFO L138 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 117 [2022-12-15 01:45:27,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:45:27,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:45:27,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:45:27,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:45:27,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,035 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:45:27,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:45:27,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:45:27,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:45:27,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:27,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:45:27,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:45:27,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:45:27,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 01:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 01:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 01:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:45:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:45:27,169 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:45:27,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:45:27,476 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:45:27,515 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:45:27,516 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-15 01:45:27,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:45:27 BoogieIcfgContainer [2022-12-15 01:45:27,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:45:27,519 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:45:27,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:45:27,529 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:45:27,529 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:45:27" (1/1) ... [2022-12-15 01:45:27,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:45:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 110 states and 122 transitions. [2022-12-15 01:45:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2022-12-15 01:45:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:45:27,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:27,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:27,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 109 states and 121 transitions. [2022-12-15 01:45:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-12-15 01:45:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:45:27,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:27,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 108 states and 120 transitions. [2022-12-15 01:45:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-12-15 01:45:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:45:27,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:27,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 107 states and 119 transitions. [2022-12-15 01:45:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2022-12-15 01:45:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:45:27,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2022-12-15 01:45:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2022-12-15 01:45:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:45:28,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 105 states and 117 transitions. [2022-12-15 01:45:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2022-12-15 01:45:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:45:28,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 104 states and 116 transitions. [2022-12-15 01:45:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2022-12-15 01:45:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:45:28,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 103 states and 115 transitions. [2022-12-15 01:45:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2022-12-15 01:45:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:45:28,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 102 states and 114 transitions. [2022-12-15 01:45:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2022-12-15 01:45:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:45:28,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 101 states and 113 transitions. [2022-12-15 01:45:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2022-12-15 01:45:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:45:28,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 100 states and 112 transitions. [2022-12-15 01:45:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2022-12-15 01:45:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:45:28,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 99 states and 111 transitions. [2022-12-15 01:45:28,586 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2022-12-15 01:45:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:45:28,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 98 states and 110 transitions. [2022-12-15 01:45:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2022-12-15 01:45:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:45:28,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 97 states and 109 transitions. [2022-12-15 01:45:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2022-12-15 01:45:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:45:28,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 96 states and 108 transitions. [2022-12-15 01:45:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 108 transitions. [2022-12-15 01:45:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:45:28,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 95 states and 107 transitions. [2022-12-15 01:45:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2022-12-15 01:45:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:45:28,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2022-12-15 01:45:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2022-12-15 01:45:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:45:28,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:29,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 93 states and 105 transitions. [2022-12-15 01:45:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2022-12-15 01:45:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:45:29,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2022-12-15 01:45:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2022-12-15 01:45:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:45:29,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:29,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2022-12-15 01:45:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2022-12-15 01:45:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:45:29,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:29,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 100 states and 121 transitions. [2022-12-15 01:45:30,234 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2022-12-15 01:45:30,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:45:30,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:30,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 100 states and 121 transitions. [2022-12-15 01:45:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2022-12-15 01:45:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:45:30,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:30,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 102 states and 126 transitions. [2022-12-15 01:45:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 126 transitions. [2022-12-15 01:45:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:45:31,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:31,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 101 states and 125 transitions. [2022-12-15 01:45:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2022-12-15 01:45:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:45:31,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 127 transitions. [2022-12-15 01:45:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2022-12-15 01:45:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:45:31,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 107 states and 139 transitions. [2022-12-15 01:45:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 139 transitions. [2022-12-15 01:45:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:45:31,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:31,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2022-12-15 01:45:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2022-12-15 01:45:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:45:32,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:32,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 115 states and 161 transitions. [2022-12-15 01:45:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2022-12-15 01:45:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:45:32,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 117 states and 166 transitions. [2022-12-15 01:45:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2022-12-15 01:45:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:45:33,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:33,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 165 transitions. [2022-12-15 01:45:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2022-12-15 01:45:33,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:45:33,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:33,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 121 states and 178 transitions. [2022-12-15 01:45:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-12-15 01:45:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:45:34,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:34,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2022-12-15 01:45:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2022-12-15 01:45:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:45:35,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:35,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 125 states and 191 transitions. [2022-12-15 01:45:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 191 transitions. [2022-12-15 01:45:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:45:36,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:36,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 125 states and 190 transitions. [2022-12-15 01:45:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 190 transitions. [2022-12-15 01:45:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:45:36,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 124 states and 188 transitions. [2022-12-15 01:45:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 188 transitions. [2022-12-15 01:45:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:45:37,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:37,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2022-12-15 01:45:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2022-12-15 01:45:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:45:37,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:37,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 125 states and 190 transitions. [2022-12-15 01:45:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 190 transitions. [2022-12-15 01:45:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:45:37,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:37,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 124 states and 189 transitions. [2022-12-15 01:45:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 189 transitions. [2022-12-15 01:45:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:45:37,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:37,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 126 states and 193 transitions. [2022-12-15 01:45:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 193 transitions. [2022-12-15 01:45:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:45:38,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:38,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:45:38,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:45:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:45:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:45:38,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:45:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:45:38,350 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2022-12-15 01:45:38,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:45:38 ImpRootNode [2022-12-15 01:45:38,374 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:45:38,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:45:38,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:45:38,375 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:45:38,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:45:27" (3/4) ... [2022-12-15 01:45:38,377 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 01:45:38,410 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:45:38,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:45:38,411 INFO L158 Benchmark]: Toolchain (without parser) took 11690.27ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 141.2MB in the beginning and 82.1MB in the end (delta: 59.0MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2022-12-15 01:45:38,412 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 176.2MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:45:38,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.02ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 123.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:45:38,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.06ms. Allocated memory is still 176.2MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:45:38,413 INFO L158 Benchmark]: Boogie Preprocessor took 22.22ms. Allocated memory is still 176.2MB. Free memory was 121.7MB in the beginning and 119.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:45:38,414 INFO L158 Benchmark]: RCFGBuilder took 481.16ms. Allocated memory is still 176.2MB. Free memory was 119.9MB in the beginning and 92.3MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 01:45:38,414 INFO L158 Benchmark]: CodeCheck took 10855.06ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 92.3MB in the beginning and 84.2MB in the end (delta: 8.1MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-12-15 01:45:38,415 INFO L158 Benchmark]: Witness Printer took 36.01ms. Allocated memory is still 211.8MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:45:38,418 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, 110 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 39, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2660 SdHoareTripleChecker+Valid, 9.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2318 mSDsluCounter, 2690 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1978 mSDsCounter, 2137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7459 IncrementalHoareTripleChecker+Invalid, 9596 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2137 mSolverCounterUnsat, 712 mSDtfsCounter, 7459 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2846 GetRequests, 2591 SyntacticMatches, 65 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14223 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 353 NumberOfCodeBlocks, 353 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 1694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 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: 1007]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L996] SLL* head = malloc(sizeof(SLL)); [L997] head->next = ((void*)0) [L998] COND FALSE !(__VERIFIER_nondet_int()) [L998] COND FALSE !(__VERIFIER_nondet_int()) [L998] head->data = 0 VAL [head={16130:0}] [L998] head->opt = head VAL [head={16130:0}] [L999] SLL* x = head; VAL [head={16130:0}, x={16130:0}] [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1004] x = head VAL [head={16130:0}, x={16130:0}] [L1005] COND TRUE x != ((void*)0) VAL [head={16130:0}, x={16130:0}] [L1007] EXPR x->data [L1007] EXPR x->data == 2 && x->opt == x VAL [head={16130:0}, x={16130:0}, x->data=0, x->data == 2 && x->opt == x=0] [L1007] COND TRUE !(x->data == 2 && x->opt == x) [L1007] reach_error() VAL [head={16130:0}, x={16130:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 176.2MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.02ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 123.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.06ms. Allocated memory is still 176.2MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.22ms. Allocated memory is still 176.2MB. Free memory was 121.7MB in the beginning and 119.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.16ms. Allocated memory is still 176.2MB. Free memory was 119.9MB in the beginning and 92.3MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 10855.06ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 92.3MB in the beginning and 84.2MB in the end (delta: 8.1MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 36.01ms. Allocated memory is still 211.8MB. Free memory was 84.2MB in the beginning and 82.1MB 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! [2022-12-15 01:45:38,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691ff07d-afae-4fe8-8370-7360a5e0e648/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)