./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label13.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_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/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_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/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_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/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 8b3e81a6b8b0761a41c3ab08eaf65813a0a29373f8751b3e6d15ff26531d677e --- 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 17:02:45,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:45,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:45,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:45,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:45,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:45,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:45,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:45,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:45,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:45,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:45,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:45,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:45,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:45,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:45,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:45,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:45,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:45,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:45,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:45,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:45,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:45,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:45,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:45,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:45,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:45,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:45,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:45,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:45,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:45,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:45,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:45,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:45,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:45,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:45,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:45,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:45,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:45,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:45,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:45,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:45,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:45,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:45,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:45,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:45,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:45,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:45,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:45,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:45,228 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:45,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:45,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:45,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:45,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:45,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:45,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:45,231 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:45,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:45,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:45,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:45,231 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:45,232 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:45,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:45,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:45,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:45,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:45,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:45,233 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:45,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:45,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:45,235 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_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b3e81a6b8b0761a41c3ab08eaf65813a0a29373f8751b3e6d15ff26531d677e [2022-10-17 17:02:45,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:45,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:45,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:45,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:45,615 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:45,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem01_label13.c [2022-10-17 17:02:45,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/data/366bc02fd/32745a09cbfd4724b0e2a116cce04645/FLAG1c80a22a8 [2022-10-17 17:02:46,493 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:46,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/sv-benchmarks/c/eca-rers2012/Problem01_label13.c [2022-10-17 17:02:46,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/data/366bc02fd/32745a09cbfd4724b0e2a116cce04645/FLAG1c80a22a8 [2022-10-17 17:02:46,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/data/366bc02fd/32745a09cbfd4724b0e2a116cce04645 [2022-10-17 17:02:46,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:46,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:46,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:46,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:46,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:46,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:46" (1/1) ... [2022-10-17 17:02:46,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7003b11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:46, skipping insertion in model container [2022-10-17 17:02:46,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:46" (1/1) ... [2022-10-17 17:02:46,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:46,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:47,174 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_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/sv-benchmarks/c/eca-rers2012/Problem01_label13.c[20841,20854] [2022-10-17 17:02:47,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:47,220 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:47,337 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_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/sv-benchmarks/c/eca-rers2012/Problem01_label13.c[20841,20854] [2022-10-17 17:02:47,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:47,373 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:47,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47 WrapperNode [2022-10-17 17:02:47,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:47,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:47,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:47,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:47,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,514 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-10-17 17:02:47,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:47,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:47,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:47,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:47,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:47,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:47,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:47,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:47,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:47,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:47,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1faeda8-02bc-4f16-bd37-6ff2db4cb7e5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:47,876 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:47,879 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:49,267 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:49,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:49,532 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:49,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:49 BoogieIcfgContainer [2022-10-17 17:02:49,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:49,538 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:49,538 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:49,550 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:49,551 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:49" (1/1) ... [2022-10-17 17:02:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2022-10-17 17:02:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2022-10-17 17:02:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:02:49,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:50,448 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 17:02:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 145 states and 243 transitions. [2022-10-17 17:02:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 243 transitions. [2022-10-17 17:02:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:02:51,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:51,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 244 transitions. [2022-10-17 17:02:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 244 transitions. [2022-10-17 17:02:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 17:02:51,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:51,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:51,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 150 states and 250 transitions. [2022-10-17 17:02:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 250 transitions. [2022-10-17 17:02:51,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:02:51,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:51,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:02:52,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 151 states and 251 transitions. [2022-10-17 17:02:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 251 transitions. [2022-10-17 17:02:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 17:02:52,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 165 states and 268 transitions. [2022-10-17 17:02:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 268 transitions. [2022-10-17 17:02:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 17:02:52,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:02:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 171 states and 274 transitions. [2022-10-17 17:02:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 274 transitions. [2022-10-17 17:02:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 17:02:53,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:54,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 186 states and 293 transitions. [2022-10-17 17:02:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 293 transitions. [2022-10-17 17:02:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 17:02:54,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 190 states and 297 transitions. [2022-10-17 17:02:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 297 transitions. [2022-10-17 17:02:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 17:02:54,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 205 states and 316 transitions. [2022-10-17 17:02:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 316 transitions. [2022-10-17 17:02:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 17:02:55,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:02:56,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 227 states and 347 transitions. [2022-10-17 17:02:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 347 transitions. [2022-10-17 17:02:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 17:02:56,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:56,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 232 states and 354 transitions. [2022-10-17 17:02:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 354 transitions. [2022-10-17 17:02:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 17:02:56,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:56,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:02:56,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 241 states and 363 transitions. [2022-10-17 17:02:56,897 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 363 transitions. [2022-10-17 17:02:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 17:02:56,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:02:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 242 states and 364 transitions. [2022-10-17 17:02:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 364 transitions. [2022-10-17 17:02:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 17:02:57,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:57,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 267 states and 400 transitions. [2022-10-17 17:02:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 400 transitions. [2022-10-17 17:02:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 17:02:58,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 276 states and 415 transitions. [2022-10-17 17:02:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 415 transitions. [2022-10-17 17:02:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 17:02:58,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 293 states and 438 transitions. [2022-10-17 17:02:59,436 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 438 transitions. [2022-10-17 17:02:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 17:02:59,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:59,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 296 states and 442 transitions. [2022-10-17 17:02:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 442 transitions. [2022-10-17 17:02:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 17:02:59,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 300 states and 447 transitions. [2022-10-17 17:03:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 447 transitions. [2022-10-17 17:03:00,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-17 17:03:00,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:03:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 319 states and 469 transitions. [2022-10-17 17:03:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 469 transitions. [2022-10-17 17:03:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-17 17:03:00,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:00,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:03:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 321 states and 471 transitions. [2022-10-17 17:03:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 471 transitions. [2022-10-17 17:03:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 17:03:01,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:03:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 336 states and 488 transitions. [2022-10-17 17:03:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 488 transitions. [2022-10-17 17:03:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-17 17:03:01,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 417 states and 579 transitions. [2022-10-17 17:03:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 579 transitions. [2022-10-17 17:03:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 17:03:02,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:02,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 463 states and 634 transitions. [2022-10-17 17:03:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 634 transitions. [2022-10-17 17:03:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-17 17:03:03,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:03,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 476 states and 651 transitions. [2022-10-17 17:03:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 651 transitions. [2022-10-17 17:03:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 17:03:04,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:04,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 17:03:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 483 states and 659 transitions. [2022-10-17 17:03:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 659 transitions. [2022-10-17 17:03:04,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-17 17:03:04,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:04,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 527 states and 710 transitions. [2022-10-17 17:03:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 710 transitions. [2022-10-17 17:03:06,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-17 17:03:06,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:06,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 563 states and 752 transitions. [2022-10-17 17:03:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 752 transitions. [2022-10-17 17:03:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-17 17:03:07,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:07,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:03:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 573 states and 763 transitions. [2022-10-17 17:03:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 763 transitions. [2022-10-17 17:03:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 17:03:08,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:03:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 576 states and 766 transitions. [2022-10-17 17:03:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 766 transitions. [2022-10-17 17:03:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-17 17:03:08,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:08,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 595 states and 790 transitions. [2022-10-17 17:03:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 790 transitions. [2022-10-17 17:03:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-17 17:03:09,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:09,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 599 states and 794 transitions. [2022-10-17 17:03:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 794 transitions. [2022-10-17 17:03:10,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 17:03:10,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:10,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 631 states and 830 transitions. [2022-10-17 17:03:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 830 transitions. [2022-10-17 17:03:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-17 17:03:11,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:11,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:03:12,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 674 states and 884 transitions. [2022-10-17 17:03:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 884 transitions. [2022-10-17 17:03:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-17 17:03:12,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:12,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:03:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 678 states and 888 transitions. [2022-10-17 17:03:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 888 transitions. [2022-10-17 17:03:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-17 17:03:13,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:13,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:03:13,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 682 states and 893 transitions. [2022-10-17 17:03:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 893 transitions. [2022-10-17 17:03:13,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-17 17:03:13,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:13,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-17 17:03:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:14,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 686 states and 897 transitions. [2022-10-17 17:03:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 897 transitions. [2022-10-17 17:03:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 17:03:14,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:14,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat