./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/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_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 --- 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 17:04:51,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:51,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:51,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:51,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:51,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:51,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:51,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:51,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:51,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:51,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:51,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:51,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:51,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:51,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:51,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:51,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:51,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:51,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:51,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:51,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:51,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:51,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:51,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:51,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:51,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:51,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:51,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:51,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:51,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:51,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:51,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:51,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:51,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:51,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:51,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:51,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:51,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:51,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:51,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:51,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:51,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:51,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:51,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:51,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:51,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:51,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:51,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:51,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:51,751 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:51,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:51,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:51,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:51,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:51,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:51,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:51,754 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:51,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:51,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:51,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:51,755 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:51,755 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:51,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:51,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:51,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:51,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:51,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:51,757 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:51,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:51,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:51,757 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_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a077c1334c11d8329da2d0c58ca917b2036581fa7e949d1d304e3346ec54a811 [2022-10-17 17:04:52,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:52,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:52,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:52,105 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:52,106 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:52,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2022-10-17 17:04:52,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/data/2c49376fb/54bebe12a34149dfa95e41cc854924eb/FLAG08af59050 [2022-10-17 17:04:52,659 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:52,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c [2022-10-17 17:04:52,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/data/2c49376fb/54bebe12a34149dfa95e41cc854924eb/FLAG08af59050 [2022-10-17 17:04:53,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/data/2c49376fb/54bebe12a34149dfa95e41cc854924eb [2022-10-17 17:04:53,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:53,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:53,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:53,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:53,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:53,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30292458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53, skipping insertion in model container [2022-10-17 17:04:53,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:53,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:53,294 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_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c[526,539] [2022-10-17 17:04:53,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:53,332 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:53,350 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_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound5.c[526,539] [2022-10-17 17:04:53,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:53,388 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:53,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53 WrapperNode [2022-10-17 17:04:53,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:53,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:53,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:53,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:53,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,435 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-10-17 17:04:53,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:53,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:53,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:53,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:53,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,454 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:53,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:53,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:53,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:53,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:53,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:53,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:53,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdaceeb-7f29-4040-9b9d-d3e6d1407514/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:04:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:04:53,631 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:53,635 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:53,770 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:53,816 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:53,816 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:04:53,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:53 BoogieIcfgContainer [2022-10-17 17:04:53,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:53,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:53,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:53,835 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:53,839 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:53" (1/1) ... [2022-10-17 17:04:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:53,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 17:04:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 17:04:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:04:53,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:53,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:54,171 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 17:04:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2022-10-17 17:04:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-10-17 17:04:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:04:54,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:54,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:54,519 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 17:04:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:54,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2022-10-17 17:04:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-10-17 17:04:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:54,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:54,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:54,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:04:54,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:04:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2022-10-17 17:04:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-10-17 17:04:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:04:55,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:55,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:04:55,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:04:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 54 transitions. [2022-10-17 17:04:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 17:04:55,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:04:55,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:55,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:55,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:04:55,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:04:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2022-10-17 17:04:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-10-17 17:04:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:04:56,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:56,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:04:56,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 17:04:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 72 transitions. [2022-10-17 17:04:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2022-10-17 17:04:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:04:56,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:56,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:57,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:04:57,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:04:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 80 transitions. [2022-10-17 17:04:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2022-10-17 17:04:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:04:57,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:57,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:57,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:04:57,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:04:57,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:57,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 88 transitions. [2022-10-17 17:04:57,665 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2022-10-17 17:04:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:04:57,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:57,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:57,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:04:57,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:04:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 89 transitions. [2022-10-17 17:04:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2022-10-17 17:04:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:04:58,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:58,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:58,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:04:58,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-10-17 17:04:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 88 transitions. [2022-10-17 17:04:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-10-17 17:04:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:04:58,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:58,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:58,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:04:58,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:04:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 56 states and 98 transitions. [2022-10-17 17:04:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2022-10-17 17:04:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:04:59,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:59,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:59,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:04:59,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:05:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 113 transitions. [2022-10-17 17:05:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2022-10-17 17:05:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:05:00,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:00,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:00,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:05:00,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 17:05:00,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 118 transitions. [2022-10-17 17:05:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2022-10-17 17:05:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:05:00,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:01,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:01,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-10-17 17:05:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 117 transitions. [2022-10-17 17:05:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2022-10-17 17:05:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:05:01,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:01,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:01,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:05:01,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 17:05:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 134 transitions. [2022-10-17 17:05:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2022-10-17 17:05:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:05:03,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:03,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:03,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:05:03,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:05:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 78 states and 144 transitions. [2022-10-17 17:05:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2022-10-17 17:05:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:05:04,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:04,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:04,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:05:04,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:05:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 143 transitions. [2022-10-17 17:05:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 143 transitions. [2022-10-17 17:05:05,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:05:05,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:05,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:05,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 17:05:05,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:05:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 158 transitions. [2022-10-17 17:05:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 158 transitions. [2022-10-17 17:05:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:05:07,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:07,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:07,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:05:07,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 17:05:08,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:08,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 86 states and 163 transitions. [2022-10-17 17:05:08,784 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-10-17 17:05:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:05:08,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:08,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:08,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:05:08,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-10-17 17:05:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 86 states and 162 transitions. [2022-10-17 17:05:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 162 transitions. [2022-10-17 17:05:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:09,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:09,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:09,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:05:09,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 17:05:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 88 states and 172 transitions. [2022-10-17 17:05:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2022-10-17 17:05:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:05:10,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:10,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:10,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:05:10,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 17:05:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 92 states and 185 transitions. [2022-10-17 17:05:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2022-10-17 17:05:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 17:05:13,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:13,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:13,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:05:13,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-10-17 17:05:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 81 states and 158 transitions. [2022-10-17 17:05:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2022-10-17 17:05:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 17:05:15,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:05:15,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 17:05:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 83 states and 162 transitions. [2022-10-17 17:05:16,425 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 162 transitions. [2022-10-17 17:05:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 17:05:16,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:16,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:05:16,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 17:05:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 85 states and 166 transitions. [2022-10-17 17:05:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 166 transitions. [2022-10-17 17:05:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 17:05:17,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:17,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:17,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:05:17,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 17:05:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 91 states and 181 transitions. [2022-10-17 17:05:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 181 transitions. [2022-10-17 17:05:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 17:05:20,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:20,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:05:20,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-17 17:05:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 93 states and 185 transitions. [2022-10-17 17:05:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2022-10-17 17:05:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 17:05:21,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:21,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:21,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 17:05:21,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-17 17:05:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 98 states and 195 transitions. [2022-10-17 17:05:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2022-10-17 17:05:25,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 17:05:25,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:25,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:25,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:05:25,241 INFO L286 TraceCheckSpWp]: Computing forward predicates...