./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/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_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/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_63c1cde1-f541-4900-a850-69490bc7fe86/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 f533383f211897ea0c402e211f6c19321d99a2ee7c27b850c3f29a2cf1ec1863 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:58:39,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:58:39,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:58:39,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:58:39,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:58:39,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:58:39,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:58:39,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:58:39,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:58:39,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:58:39,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:58:39,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:58:39,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:58:39,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:58:39,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:58:39,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:58:39,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:58:39,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:58:39,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:58:39,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:58:39,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:58:39,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:58:39,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:58:39,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:58:39,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:58:39,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:58:39,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:58:39,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:58:39,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:58:39,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:58:39,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:58:39,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:58:39,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:58:39,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:58:39,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:58:39,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:58:39,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:58:39,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:58:39,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:58:39,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:58:39,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:58:39,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-14 18:58:39,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:58:39,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:58:39,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:58:39,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:58:39,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:58:39,542 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:58:39,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:58:39,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:58:39,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:58:39,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:58:39,543 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:58:39,544 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:58:39,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:58:39,544 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:58:39,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:58:39,544 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:58:39,544 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:58:39,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:58:39,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:58:39,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:58:39,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:58:39,545 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:58:39,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:58:39,546 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_63c1cde1-f541-4900-a850-69490bc7fe86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f533383f211897ea0c402e211f6c19321d99a2ee7c27b850c3f29a2cf1ec1863 [2022-12-14 18:58:39,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:58:39,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:58:39,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:58:39,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:58:39,757 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:58:39,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-properties/alternating_list-2.i [2022-12-14 18:58:42,415 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:58:42,559 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:58:42,560 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/sv-benchmarks/c/list-properties/alternating_list-2.i [2022-12-14 18:58:42,567 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/data/59fb6ad55/78ce61c3aa07410b8f1c11bfe7b2aed9/FLAG90772ba1a [2022-12-14 18:58:42,578 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/data/59fb6ad55/78ce61c3aa07410b8f1c11bfe7b2aed9 [2022-12-14 18:58:42,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:58:42,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:58:42,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:58:42,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:58:42,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:58:42,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75309385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42, skipping insertion in model container [2022-12-14 18:58:42,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:58:42,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:58:42,791 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_63c1cde1-f541-4900-a850-69490bc7fe86/sv-benchmarks/c/list-properties/alternating_list-2.i[23574,23587] [2022-12-14 18:58:42,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:58:42,801 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:58:42,826 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_63c1cde1-f541-4900-a850-69490bc7fe86/sv-benchmarks/c/list-properties/alternating_list-2.i[23574,23587] [2022-12-14 18:58:42,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:58:42,843 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:58:42,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42 WrapperNode [2022-12-14 18:58:42,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:58:42,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:58:42,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:58:42,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:58:42,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,872 INFO L138 Inliner]: procedures = 124, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2022-12-14 18:58:42,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:58:42,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:58:42,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:58:42,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:58:42,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,890 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:58:42,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:58:42,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:58:42,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:58:42,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:42" (1/1) ... [2022-12-14 18:58:42,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:58:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:58:42,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:58:42,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:58:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:58:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:58:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:58:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:58:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 18:58:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 18:58:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:58:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:58:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:58:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:58:43,038 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:58:43,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:58:43,249 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:58:43,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:58:43,272 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 18:58:43,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:43 BoogieIcfgContainer [2022-12-14 18:58:43,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:58:43,275 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:58:43,275 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:58:43,282 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:58:43,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:43" (1/1) ... [2022-12-14 18:58:43,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:58:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2022-12-14 18:58:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-12-14 18:58:43,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:58:43,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:43,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2022-12-14 18:58:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-12-14 18:58:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:58:43,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2022-12-14 18:58:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2022-12-14 18:58:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:58:43,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:43,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 71 states and 85 transitions. [2022-12-14 18:58:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2022-12-14 18:58:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:43,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:43,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 93 transitions. [2022-12-14 18:58:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2022-12-14 18:58:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:43,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2022-12-14 18:58:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-12-14 18:58:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:44,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:44,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:44,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 105 transitions. [2022-12-14 18:58:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2022-12-14 18:58:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:44,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 108 transitions. [2022-12-14 18:58:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2022-12-14 18:58:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:44,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:44,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 86 states and 115 transitions. [2022-12-14 18:58:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2022-12-14 18:58:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:44,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:44,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2022-12-14 18:58:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2022-12-14 18:58:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:44,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:44,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2022-12-14 18:58:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2022-12-14 18:58:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:45,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:45,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 97 states and 138 transitions. [2022-12-14 18:58:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2022-12-14 18:58:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:45,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:45,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:45,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:45,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 99 states and 143 transitions. [2022-12-14 18:58:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2022-12-14 18:58:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:45,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:45,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 102 states and 151 transitions. [2022-12-14 18:58:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2022-12-14 18:58:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:46,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:46,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 150 transitions. [2022-12-14 18:58:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2022-12-14 18:58:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:46,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:46,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 104 states and 155 transitions. [2022-12-14 18:58:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2022-12-14 18:58:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:58:46,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:46,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2022-12-14 18:58:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2022-12-14 18:58:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:58:46,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:46,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 105 states and 161 transitions. [2022-12-14 18:58:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2022-12-14 18:58:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:58:46,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:46,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 107 states and 164 transitions. [2022-12-14 18:58:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 164 transitions. [2022-12-14 18:58:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:58:46,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 166 transitions. [2022-12-14 18:58:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2022-12-14 18:58:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:58:46,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:46,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 113 states and 178 transitions. [2022-12-14 18:58:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2022-12-14 18:58:47,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:58:47,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:47,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 115 states and 183 transitions. [2022-12-14 18:58:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2022-12-14 18:58:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:58:48,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 205 transitions. [2022-12-14 18:58:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 205 transitions. [2022-12-14 18:58:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:58:50,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 124 states and 204 transitions. [2022-12-14 18:58:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 204 transitions. [2022-12-14 18:58:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:58:50,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:50,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 124 states and 203 transitions. [2022-12-14 18:58:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 203 transitions. [2022-12-14 18:58:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:58:51,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:51,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:52,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 124 states and 202 transitions. [2022-12-14 18:58:52,343 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2022-12-14 18:58:52,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:58:52,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:52,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 136 states and 226 transitions. [2022-12-14 18:58:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2022-12-14 18:58:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:58:56,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:56,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:56,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 138 states and 233 transitions. [2022-12-14 18:58:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2022-12-14 18:58:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:58:56,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:56,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 147 states and 256 transitions. [2022-12-14 18:58:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 256 transitions. [2022-12-14 18:58:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:58:58,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:58,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 157 states and 284 transitions. [2022-12-14 18:59:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 284 transitions. [2022-12-14 18:59:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:59:00,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 160 states and 291 transitions. [2022-12-14 18:59:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 291 transitions. [2022-12-14 18:59:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:59:00,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:00,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 162 states and 295 transitions. [2022-12-14 18:59:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 295 transitions. [2022-12-14 18:59:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:59:01,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 163 states and 295 transitions. [2022-12-14 18:59:01,246 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 295 transitions. [2022-12-14 18:59:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:01,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:01,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:59:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 164 states and 298 transitions. [2022-12-14 18:59:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 298 transitions. [2022-12-14 18:59:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:01,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:01,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 165 states and 299 transitions. [2022-12-14 18:59:02,004 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2022-12-14 18:59:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:02,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:02,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 169 states and 316 transitions. [2022-12-14 18:59:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 316 transitions. [2022-12-14 18:59:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:02,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:02,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:59:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 170 states and 319 transitions. [2022-12-14 18:59:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 319 transitions. [2022-12-14 18:59:03,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:03,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:03,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:59:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 170 states and 318 transitions. [2022-12-14 18:59:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 318 transitions. [2022-12-14 18:59:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:03,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:03,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:59:03,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 171 states and 320 transitions. [2022-12-14 18:59:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 320 transitions. [2022-12-14 18:59:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:59:03,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:03,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:59:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 174 states and 329 transitions. [2022-12-14 18:59:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 329 transitions. [2022-12-14 18:59:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:59:05,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:05,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:59:05,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:59:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:59:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:59:05,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:59:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:59:05,213 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2022-12-14 18:59:05,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:59:05 ImpRootNode [2022-12-14 18:59:05,234 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:59:05,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:59:05,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:59:05,235 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:59:05,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:43" (3/4) ... [2022-12-14 18:59:05,236 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 18:59:05,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:59:05,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:59:05,266 INFO L158 Benchmark]: Toolchain (without parser) took 22684.52ms. Allocated memory was 109.1MB in the beginning and 192.9MB in the end (delta: 83.9MB). Free memory was 75.2MB in the beginning and 86.3MB in the end (delta: -11.2MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2022-12-14 18:59:05,267 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:59:05,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.52ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 58.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:59:05,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.32ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 56.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:59:05,268 INFO L158 Benchmark]: Boogie Preprocessor took 18.82ms. Allocated memory is still 109.1MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:59:05,268 INFO L158 Benchmark]: RCFGBuilder took 381.60ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 54.6MB in the beginning and 96.2MB in the end (delta: -41.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-12-14 18:59:05,269 INFO L158 Benchmark]: CodeCheck took 21959.45ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 96.2MB in the beginning and 88.4MB in the end (delta: 7.8MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-12-14 18:59:05,269 INFO L158 Benchmark]: Witness Printer took 31.42ms. Allocated memory is still 192.9MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:59:05,271 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, 65 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 21.9s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5195 SdHoareTripleChecker+Valid, 14.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3924 mSDsluCounter, 6306 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4798 mSDsCounter, 3122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13028 IncrementalHoareTripleChecker+Invalid, 16150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3122 mSolverCounterUnsat, 1508 mSDtfsCounter, 13028 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4433 GetRequests, 4011 SyntacticMatches, 62 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60070 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 34 PerfectInterpolantSequences, 23/33 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: 573]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L532] int flag = 1; [L533] List a = (List) malloc(sizeof(struct node)); [L534] COND FALSE !(a == 0) [L535] List t; [L536] List p = a; VAL [a={-2:0}, flag=1, p={-2:0}] [L537] COND TRUE __VERIFIER_nondet_int() [L538] COND TRUE \read(flag) VAL [a={-2:0}, flag=1, p={-2:0}] [L539] p->h = 2 [L540] flag = 0 VAL [a={-2:0}, flag=0, p={-2:0}] [L545] t = (List) malloc(sizeof(struct node)) [L546] COND FALSE !(t == 0) VAL [a={-2:0}, flag=0, p={-2:0}, t={-1:0}] [L547] p->n = t VAL [a={-2:0}, flag=0, p={-2:0}, t={-1:0}] [L548] EXPR p->n [L548] p = p->n [L537] COND FALSE !(__VERIFIER_nondet_int()) [L550] p->h = 3 [L551] p = a [L552] flag = 1 VAL [a={-2:0}, flag=1, p={-2:0}, t={-1:0}] [L553] EXPR p->h VAL [a={-2:0}, flag=1, p={-2:0}, p->h=2, t={-1:0}] [L553] COND TRUE p->h != 3 [L554] COND TRUE \read(flag) [L555] flag = 0 VAL [a={-2:0}, flag=0, p={-2:0}, t={-1:0}] [L556] EXPR p->h VAL [a={-2:0}, flag=0, p={-2:0}, p->h=2, t={-1:0}] [L556] COND TRUE p->h != 1 [L573] reach_error() VAL [a={-2:0}, flag=0, p={-2:0}, t={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.52ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 58.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.32ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 56.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.82ms. Allocated memory is still 109.1MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.60ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 54.6MB in the beginning and 96.2MB in the end (delta: -41.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * CodeCheck took 21959.45ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 96.2MB in the beginning and 88.4MB in the end (delta: 7.8MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Witness Printer took 31.42ms. Allocated memory is still 192.9MB. Free memory was 88.4MB in the beginning and 86.3MB 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 18:59:05,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c1cde1-f541-4900-a850-69490bc7fe86/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)