./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.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_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/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_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/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_ca5c3c9c-3dae-4209-b23a-df74da13b244/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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- 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 16:32:22,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:22,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:22,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:22,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:22,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:22,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:22,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:22,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:22,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:22,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:22,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:22,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:22,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:22,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:22,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:22,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:22,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:22,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:22,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:22,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:22,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:22,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:22,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:23,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:23,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:23,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:23,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:23,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:23,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:23,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:23,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:23,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:23,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:23,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:23,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:23,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:23,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:23,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:23,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:23,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:23,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:32:23,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:23,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:23,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:23,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:23,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:23,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:23,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:23,099 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:23,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:23,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:23,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:23,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:23,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:23,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:23,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:23,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:23,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:23,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:23,103 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:23,103 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:23,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:23,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:23,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:23,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:23,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:23,105 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:23,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:23,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:23,105 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_ca5c3c9c-3dae-4209-b23a-df74da13b244/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2022-10-17 16:32:23,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:23,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:23,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:23,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:23,467 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:23,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2022-10-17 16:32:23,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/data/5204dba7c/96e4d50ba96c440db8be7fc556a8ecb3/FLAG0c0a7ade8 [2022-10-17 16:32:24,034 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:24,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2022-10-17 16:32:24,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/data/5204dba7c/96e4d50ba96c440db8be7fc556a8ecb3/FLAG0c0a7ade8 [2022-10-17 16:32:24,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/data/5204dba7c/96e4d50ba96c440db8be7fc556a8ecb3 [2022-10-17 16:32:24,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:24,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:24,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:24,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:24,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:24,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366e9f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24, skipping insertion in model container [2022-10-17 16:32:24,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:24,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:24,584 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_ca5c3c9c-3dae-4209-b23a-df74da13b244/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c[576,589] [2022-10-17 16:32:24,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:24,613 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:32:24,626 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_ca5c3c9c-3dae-4209-b23a-df74da13b244/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c[576,589] [2022-10-17 16:32:24,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:24,647 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:32:24,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24 WrapperNode [2022-10-17 16:32:24,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:24,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:24,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:32:24,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:32:24,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,685 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-10-17 16:32:24,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:24,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:32:24,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:32:24,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:32:24,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:32:24,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:32:24,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:32:24,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:32:24,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:24" (1/1) ... [2022-10-17 16:32:24,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:24,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:32:24,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:32:24,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5c3c9c-3dae-4209-b23a-df74da13b244/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:32:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:32:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:32:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:32:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:32:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:32:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:32:24,879 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:32:24,882 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:32:25,068 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:32:25,136 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:32:25,136 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:32:25,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:25 BoogieIcfgContainer [2022-10-17 16:32:25,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:32:25,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:32:25,140 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:32:25,150 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:32:25,151 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:32:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2022-10-17 16:32:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 16:32:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:32:25,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:32:25,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:25,549 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 16:32:25,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:32:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:32:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:32:25,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:32:25,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:25,801 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 16:32:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 16:32:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:32:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:32:25,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:25,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:25,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:32:25,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:26,027 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 16:32:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2022-10-17 16:32:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-10-17 16:32:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:32:26,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:26,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:32:26,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:26,464 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 16:32:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2022-10-17 16:32:26,906 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2022-10-17 16:32:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:32:26,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:26,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:32:26,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:32:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 16:32:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:32:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:32:27,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:27,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:27,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:32:27,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:27,484 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 16:32:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2022-10-17 16:32:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-10-17 16:32:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:32:27,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:27,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:27,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:32:27,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:32:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2022-10-17 16:32:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2022-10-17 16:32:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:32:28,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:28,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:28,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:32:28,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:32:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 53 states and 116 transitions. [2022-10-17 16:32:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 116 transitions. [2022-10-17 16:32:29,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:32:29,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:29,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:29,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:32:29,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:32:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2022-10-17 16:32:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2022-10-17 16:32:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:32:31,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:31,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:31,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:32:31,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:32:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 67 states and 167 transitions. [2022-10-17 16:32:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 167 transitions. [2022-10-17 16:32:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:32:32,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:32,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:32,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:32:32,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:32:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 74 states and 189 transitions. [2022-10-17 16:32:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 189 transitions. [2022-10-17 16:32:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:32:34,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:34,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:34,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:32:34,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:32:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 78 states and 201 transitions. [2022-10-17 16:32:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 201 transitions. [2022-10-17 16:32:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:32:35,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:35,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:35,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:32:35,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:32:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 80 states and 202 transitions. [2022-10-17 16:32:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 202 transitions. [2022-10-17 16:32:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:32:36,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:36,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:36,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:32:36,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:32:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 92 states and 245 transitions. [2022-10-17 16:32:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 245 transitions. [2022-10-17 16:32:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:32:43,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:43,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:43,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:32:43,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:32:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 94 states and 247 transitions. [2022-10-17 16:32:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 247 transitions. [2022-10-17 16:32:45,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:32:45,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:45,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:45,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:32:45,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:32:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 95 states and 251 transitions. [2022-10-17 16:32:46,894 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 251 transitions. [2022-10-17 16:32:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:32:46,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:46,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:46,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:32:46,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:32:49,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 106 states and 289 transitions. [2022-10-17 16:32:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 289 transitions. [2022-10-17 16:32:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:32:49,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:49,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:32:49,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:32:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 110 states and 295 transitions. [2022-10-17 16:32:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 295 transitions. [2022-10-17 16:32:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:32:51,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:51,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:51,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:32:51,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-17 16:32:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 115 states and 308 transitions. [2022-10-17 16:32:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 308 transitions. [2022-10-17 16:32:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:32:55,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:55,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:32:55,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:56,024 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.