./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 --- 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-6b4ec56 [2022-11-20 17:03:54,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:03:54,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:03:54,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:03:54,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:03:54,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:03:54,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:03:54,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:03:54,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:03:54,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:03:54,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:03:54,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:03:54,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:03:54,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:03:54,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:03:54,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:03:54,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:03:54,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:03:54,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:03:54,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:03:54,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:03:54,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:03:54,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:03:54,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:03:54,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:03:54,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:03:54,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:03:54,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:03:54,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:03:54,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:03:54,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:03:54,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:03:54,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:03:54,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:03:54,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:03:54,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:03:54,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:03:54,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:03:54,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:03:54,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:03:54,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:03:54,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:03:54,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:03:54,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:03:54,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:03:54,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:03:54,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:03:54,732 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:03:54,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:03:54,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:03:54,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:03:54,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:03:54,734 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:03:54,734 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:03:54,735 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:03:54,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:03:54,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:03:54,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:03:54,736 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:03:54,736 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:03:54,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:03:54,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:03:54,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:03:54,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:03:54,737 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:03:54,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:03:54,737 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_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2022-11-20 17:03:55,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:03:55,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:03:55,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:03:55,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:03:55,091 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:03:55,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2022-11-20 17:03:57,986 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:03:58,223 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:03:58,223 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2022-11-20 17:03:58,241 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/data/16aa65e6b/635e9c8d81414732b425ed9d6cf35799/FLAG3efb21283 [2022-11-20 17:03:58,257 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/data/16aa65e6b/635e9c8d81414732b425ed9d6cf35799 [2022-11-20 17:03:58,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:03:58,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:03:58,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:58,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:03:58,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:03:58,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12356da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58, skipping insertion in model container [2022-11-20 17:03:58,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:03:58,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:03:58,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2022-11-20 17:03:58,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:58,655 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:03:58,736 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2022-11-20 17:03:58,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:58,769 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:03:58,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58 WrapperNode [2022-11-20 17:03:58,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:58,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:58,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:03:58,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:03:58,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,833 INFO L138 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 138 [2022-11-20 17:03:58,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:58,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:03:58,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:03:58,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:03:58,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:03:58,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:03:58,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:03:58,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:03:58,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:58" (1/1) ... [2022-11-20 17:03:58,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:03:58,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:03:58,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:03:58,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60fd78-974e-4fe7-9bae-e53a79965148/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:03:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:03:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:03:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:03:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:03:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:03:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:03:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:03:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:03:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:03:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:03:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:03:59,154 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:03:59,169 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:03:59,685 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:03:59,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:03:59,776 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:03:59,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:59 BoogieIcfgContainer [2022-11-20 17:03:59,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:03:59,784 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:03:59,784 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:03:59,794 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:03:59,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:59" (1/1) ... [2022-11-20 17:03:59,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:03:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2022-11-20 17:03:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2022-11-20 17:03:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:03:59,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:59,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2022-11-20 17:04:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2022-11-20 17:04:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:04:00,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:00,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2022-11-20 17:04:00,620 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2022-11-20 17:04:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:04:00,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:00,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2022-11-20 17:04:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2022-11-20 17:04:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:04:00,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:00,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2022-11-20 17:04:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2022-11-20 17:04:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:04:00,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2022-11-20 17:04:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2022-11-20 17:04:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:04:01,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2022-11-20 17:04:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-11-20 17:04:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:04:01,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:01,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2022-11-20 17:04:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2022-11-20 17:04:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:04:01,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2022-11-20 17:04:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-11-20 17:04:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:04:01,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:01,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2022-11-20 17:04:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2022-11-20 17:04:01,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:04:01,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:01,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:01,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2022-11-20 17:04:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-11-20 17:04:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:04:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:01,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2022-11-20 17:04:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2022-11-20 17:04:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:04:02,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:02,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2022-11-20 17:04:03,057 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2022-11-20 17:04:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:04:03,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:03,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2022-11-20 17:04:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-11-20 17:04:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:04:04,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:04,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2022-11-20 17:04:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2022-11-20 17:04:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:04:07,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:11,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2022-11-20 17:04:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2022-11-20 17:04:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:04:11,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:11,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2022-11-20 17:04:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-11-20 17:04:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:04:15,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:15,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2022-11-20 17:04:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2022-11-20 17:04:18,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:04:18,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:18,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2022-11-20 17:04:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-11-20 17:04:22,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:04:22,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2022-11-20 17:04:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2022-11-20 17:04:23,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:04:23,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:23,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 90 states and 116 transitions. [2022-11-20 17:04:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-11-20 17:04:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:04:24,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 89 states and 115 transitions. [2022-11-20 17:04:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2022-11-20 17:04:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:04:24,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2022-11-20 17:04:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-11-20 17:04:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:04:24,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:24,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2022-11-20 17:04:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2022-11-20 17:04:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:04:25,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:25,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2022-11-20 17:04:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-11-20 17:04:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:04:27,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:27,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 106 states and 146 transitions. [2022-11-20 17:04:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2022-11-20 17:04:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:04:40,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:40,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 112 states and 158 transitions. [2022-11-20 17:04:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2022-11-20 17:04:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:04:48,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2022-11-20 17:04:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2022-11-20 17:04:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:04:48,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:48,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2022-11-20 17:04:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2022-11-20 17:04:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:04:48,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:48,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 169 transitions. [2022-11-20 17:04:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2022-11-20 17:04:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:04:53,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:53,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:04:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 117 states and 167 transitions. [2022-11-20 17:04:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 167 transitions. [2022-11-20 17:04:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:04:54,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:54,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:04:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 118 states and 167 transitions. [2022-11-20 17:04:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 167 transitions. [2022-11-20 17:04:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:04:55,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:55,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 124 states and 177 transitions. [2022-11-20 17:05:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2022-11-20 17:05:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:02,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:02,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 134 states and 195 transitions. [2022-11-20 17:05:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 195 transitions. [2022-11-20 17:05:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:05:21,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:21,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 199 transitions. [2022-11-20 17:05:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2022-11-20 17:05:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:05:27,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:27,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2022-11-20 17:05:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2022-11-20 17:05:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:05:49,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:49,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:56,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2022-11-20 17:05:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2022-11-20 17:05:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:05:56,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:56,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:56,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2022-11-20 17:06:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2022-11-20 17:06:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:06:00,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:00,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:33,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 166 states and 253 transitions. [2022-11-20 17:06:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 253 transitions. [2022-11-20 17:06:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:06:33,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2022-11-20 17:06:38,203 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2022-11-20 17:06:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:06:38,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:38,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:06:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 169 states and 257 transitions. [2022-11-20 17:06:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2022-11-20 17:06:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:06:38,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:38,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:06:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2022-11-20 17:06:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2022-11-20 17:06:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:06:38,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:38,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 156 states and 229 transitions. [2022-11-20 17:06:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 229 transitions. [2022-11-20 17:06:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:06:40,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:40,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:06:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 160 states and 236 transitions. [2022-11-20 17:06:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 236 transitions. [2022-11-20 17:06:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:06:49,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:06:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 167 states and 250 transitions. [2022-11-20 17:06:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 250 transitions. [2022-11-20 17:06:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:06:57,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:57,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:07:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 177 states and 269 transitions. [2022-11-20 17:07:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 269 transitions. [2022-11-20 17:07:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:07:12,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:12,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:07:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 178 states and 271 transitions. [2022-11-20 17:07:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 271 transitions. [2022-11-20 17:07:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:07:23,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:23,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:07:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 189 states and 292 transitions. [2022-11-20 17:07:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 292 transitions. [2022-11-20 17:07:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:07:48,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:08:14,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:14,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 200 states and 313 transitions. [2022-11-20 17:08:14,749 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 313 transitions. [2022-11-20 17:08:14,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:08:14,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:14,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:08:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 201 states and 314 transitions. [2022-11-20 17:08:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2022-11-20 17:08:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:08:14,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:14,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:08:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 214 states and 346 transitions. [2022-11-20 17:08:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2022-11-20 17:08:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:08:44,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:44,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 222 states and 363 transitions. [2022-11-20 17:09:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 363 transitions. [2022-11-20 17:09:07,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:09:07,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:09:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 223 states and 365 transitions. [2022-11-20 17:09:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 365 transitions. [2022-11-20 17:09:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:09:09,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:09,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:09:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 225 states and 373 transitions. [2022-11-20 17:09:15,917 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 373 transitions. [2022-11-20 17:09:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:09:15,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:15,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 228 states and 376 transitions. [2022-11-20 17:09:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 376 transitions. [2022-11-20 17:09:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:09:25,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:25,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 233 states and 381 transitions. [2022-11-20 17:09:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 381 transitions. [2022-11-20 17:09:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:09:49,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:09,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 249 states and 413 transitions. [2022-11-20 17:11:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 413 transitions. [2022-11-20 17:11:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:11:09,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:09,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 258 states and 429 transitions. [2022-11-20 17:11:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 429 transitions. [2022-11-20 17:11:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:11:44,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:44,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:12:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 263 states and 439 transitions. [2022-11-20 17:12:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 439 transitions. [2022-11-20 17:12:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:03,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 281 states and 472 transitions. [2022-11-20 17:13:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 472 transitions. [2022-11-20 17:13:29,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:13:29,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:29,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:13:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 287 states and 483 transitions. [2022-11-20 17:13:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 483 transitions. [2022-11-20 17:13:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:13:44,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:44,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 294 states and 496 transitions. [2022-11-20 17:14:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 496 transitions. [2022-11-20 17:14:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:14:25,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:14:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 299 states and 506 transitions. [2022-11-20 17:14:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 506 transitions. [2022-11-20 17:14:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:14:39,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:39,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:15:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 313 states and 534 transitions. [2022-11-20 17:15:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 534 transitions. [2022-11-20 17:15:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:15:30,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:30,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:16:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 327 states and 559 transitions. [2022-11-20 17:16:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 559 transitions. [2022-11-20 17:16:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:16:22,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:22,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:17:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:14,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 341 states and 584 transitions. [2022-11-20 17:17:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 584 transitions. [2022-11-20 17:17:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:17:14,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.