./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 --- 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-dbf71c6-m [2022-10-17 16:51:37,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:37,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:37,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:37,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:37,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:37,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:37,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:37,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:37,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:37,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:37,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:37,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:37,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:37,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:37,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:37,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:37,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:37,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:37,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:37,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:37,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:37,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:37,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:37,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:37,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:37,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:37,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:37,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:37,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:37,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:37,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:37,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:37,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:37,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:37,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:37,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:37,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:37,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:37,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:37,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:37,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:51:37,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:37,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:37,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:37,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:37,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:37,699 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:37,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:51:37,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:37,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:37,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:37,701 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:51:37,702 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:51:37,702 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:51:37,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:37,702 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:37,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:37,703 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:37,703 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:37,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:37,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:37,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:37,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:37,704 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:37,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:37,704 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_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 [2022-10-17 16:51:38,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:38,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:38,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:38,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:38,035 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:38,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-properties/alternating_list-1.i [2022-10-17 16:51:38,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/data/a8f9cce5a/d5811a106e96436eb4303f4202a3dc7b/FLAGe47a64650 [2022-10-17 16:51:38,682 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:38,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/sv-benchmarks/c/list-properties/alternating_list-1.i [2022-10-17 16:51:38,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/data/a8f9cce5a/d5811a106e96436eb4303f4202a3dc7b/FLAGe47a64650 [2022-10-17 16:51:38,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/data/a8f9cce5a/d5811a106e96436eb4303f4202a3dc7b [2022-10-17 16:51:38,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:38,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:38,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:38,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:38,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:38,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eab1fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38, skipping insertion in model container [2022-10-17 16:51:38,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:39,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:39,339 WARN L230 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_cd7e3382-dc1d-43ea-9504-266f700ceb90/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-10-17 16:51:39,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:39,349 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:39,388 WARN L230 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_cd7e3382-dc1d-43ea-9504-266f700ceb90/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-10-17 16:51:39,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:39,419 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:39,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39 WrapperNode [2022-10-17 16:51:39,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:39,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:39,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:39,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:39,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,467 INFO L138 Inliner]: procedures = 124, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2022-10-17 16:51:39,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:39,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:39,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:39,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:39,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:39,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:39,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:39,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:39,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:39,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:39,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:39,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7e3382-dc1d-43ea-9504-266f700ceb90/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:51:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:51:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:51:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:51:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:51:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:51:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:39,698 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:39,700 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:40,111 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:40,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:40,179 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:51:40,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:40 BoogieIcfgContainer [2022-10-17 16:51:40,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:40,184 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:40,184 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:40,195 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:40,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:40" (1/1) ... [2022-10-17 16:51:40,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2022-10-17 16:51:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-10-17 16:51:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:40,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2022-10-17 16:51:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-10-17 16:51:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:51:40,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2022-10-17 16:51:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2022-10-17 16:51:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:51:40,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 71 states and 85 transitions. [2022-10-17 16:51:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2022-10-17 16:51:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:41,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 93 transitions. [2022-10-17 16:51:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2022-10-17 16:51:41,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:41,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2022-10-17 16:51:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-10-17 16:51:42,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:42,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 105 transitions. [2022-10-17 16:51:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2022-10-17 16:51:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:42,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 108 transitions. [2022-10-17 16:51:42,405 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2022-10-17 16:51:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:42,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 86 states and 115 transitions. [2022-10-17 16:51:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2022-10-17 16:51:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:42,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2022-10-17 16:51:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2022-10-17 16:51:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:43,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2022-10-17 16:51:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2022-10-17 16:51:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:43,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 97 states and 138 transitions. [2022-10-17 16:51:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2022-10-17 16:51:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:44,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 99 states and 143 transitions. [2022-10-17 16:51:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2022-10-17 16:51:44,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:44,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 102 states and 151 transitions. [2022-10-17 16:51:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2022-10-17 16:51:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:45,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 150 transitions. [2022-10-17 16:51:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2022-10-17 16:51:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:45,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 104 states and 155 transitions. [2022-10-17 16:51:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2022-10-17 16:51:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:45,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2022-10-17 16:51:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2022-10-17 16:51:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:45,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 105 states and 161 transitions. [2022-10-17 16:51:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2022-10-17 16:51:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:45,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 107 states and 164 transitions. [2022-10-17 16:51:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 164 transitions. [2022-10-17 16:51:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:45,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 166 transitions. [2022-10-17 16:51:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2022-10-17 16:51:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:45,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 113 states and 178 transitions. [2022-10-17 16:51:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2022-10-17 16:51:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:47,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:48,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 115 states and 183 transitions. [2022-10-17 16:51:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2022-10-17 16:51:48,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:48,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:48,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 205 transitions. [2022-10-17 16:51:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 205 transitions. [2022-10-17 16:51:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:51,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 124 states and 204 transitions. [2022-10-17 16:51:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 204 transitions. [2022-10-17 16:51:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:51,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 124 states and 203 transitions. [2022-10-17 16:51:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 203 transitions. [2022-10-17 16:51:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:53,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:53,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 124 states and 202 transitions. [2022-10-17 16:51:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2022-10-17 16:51:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:54,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 136 states and 226 transitions. [2022-10-17 16:51:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2022-10-17 16:51:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:59,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:59,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 146 states and 259 transitions. [2022-10-17 16:52:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 259 transitions. [2022-10-17 16:52:02,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:02,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:02,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:02,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 149 states and 265 transitions. [2022-10-17 16:52:02,815 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 265 transitions. [2022-10-17 16:52:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:02,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:02,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 153 states and 280 transitions. [2022-10-17 16:52:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 280 transitions. [2022-10-17 16:52:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:03,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:03,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 280 transitions. [2022-10-17 16:52:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 280 transitions. [2022-10-17 16:52:04,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:04,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:04,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:05,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 158 states and 296 transitions. [2022-10-17 16:52:05,109 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 296 transitions. [2022-10-17 16:52:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:05,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 159 states and 300 transitions. [2022-10-17 16:52:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 300 transitions. [2022-10-17 16:52:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:05,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 161 states and 306 transitions. [2022-10-17 16:52:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 306 transitions. [2022-10-17 16:52:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:06,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 305 transitions. [2022-10-17 16:52:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 305 transitions. [2022-10-17 16:52:07,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:52:07,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.