./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/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_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/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_47698f27-d6ad-4381-9dec-64f61a37ee94/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 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- 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 17:08:13,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:08:13,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:08:13,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:08:13,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:08:13,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:08:13,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:08:13,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:08:13,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:08:13,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:08:13,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:08:13,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:08:13,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:08:13,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:08:13,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:08:13,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:08:13,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:08:13,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:08:13,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:08:13,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:08:13,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:08:13,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:08:13,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:08:13,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:08:13,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:08:13,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:08:13,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:08:13,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:08:13,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:08:13,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:08:13,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:08:13,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:08:13,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:08:13,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:08:13,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:08:13,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:08:13,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:08:13,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:08:13,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:08:13,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:08:13,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:08:13,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:08:13,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:08:13,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:08:13,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:08:13,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:08:13,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:08:13,813 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:08:13,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:08:13,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:08:13,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:08:13,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:08:13,815 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:08:13,815 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:08:13,816 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:08:13,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:08:13,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:08:13,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:08:13,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:08:13,817 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:08:13,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:08:13,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:08:13,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:08:13,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:08:13,818 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:08:13,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:08:13,819 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_47698f27-d6ad-4381-9dec-64f61a37ee94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2022-11-20 17:08:14,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:08:14,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:08:14,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:08:14,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:08:14,128 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:08:14,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2022-11-20 17:08:17,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:08:17,544 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:08:17,545 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2022-11-20 17:08:17,560 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/data/57d4314cf/6f2777c9dde14d5ab22f20f5e78f01c5/FLAG56f9c07bd [2022-11-20 17:08:17,573 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/data/57d4314cf/6f2777c9dde14d5ab22f20f5e78f01c5 [2022-11-20 17:08:17,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:08:17,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:08:17,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:08:17,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:08:17,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:08:17,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:08:17" (1/1) ... [2022-11-20 17:08:17,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be8369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:17, skipping insertion in model container [2022-11-20 17:08:17,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:08:17" (1/1) ... [2022-11-20 17:08:17,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:08:17,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:08:17,951 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_47698f27-d6ad-4381-9dec-64f61a37ee94/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2022-11-20 17:08:17,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:08:17,963 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:08:18,029 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_47698f27-d6ad-4381-9dec-64f61a37ee94/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2022-11-20 17:08:18,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:08:18,074 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:08:18,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18 WrapperNode [2022-11-20 17:08:18,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:08:18,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:08:18,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:08:18,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:08:18,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,130 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 151 [2022-11-20 17:08:18,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:08:18,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:08:18,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:08:18,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:08:18,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:08:18,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:08:18,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:08:18,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:08:18,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:18" (1/1) ... [2022-11-20 17:08:18,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:08:18,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:08:18,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:08:18,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47698f27-d6ad-4381-9dec-64f61a37ee94/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:08:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:08:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:08:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:08:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:08:18,487 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:08:18,489 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:08:18,869 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:08:19,012 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:08:19,015 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 17:08:19,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:19 BoogieIcfgContainer [2022-11-20 17:08:19,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:08:19,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:08:19,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:08:19,037 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:08:19,037 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:19" (1/1) ... [2022-11-20 17:08:19,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:08:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2022-11-20 17:08:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2022-11-20 17:08:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:08:19,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,385 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 17:08:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2022-11-20 17:08:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-11-20 17:08:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:08:19,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,527 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 17:08:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2022-11-20 17:08:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2022-11-20 17:08:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:08:19,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,649 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 17:08:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2022-11-20 17:08:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-11-20 17:08:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:08:19,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,754 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 17:08:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2022-11-20 17:08:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2022-11-20 17:08:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:08:19,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,813 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 17:08:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2022-11-20 17:08:19,828 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2022-11-20 17:08:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:08:19,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,892 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 17:08:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2022-11-20 17:08:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-11-20 17:08:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:08:19,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 87 transitions. [2022-11-20 17:08:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2022-11-20 17:08:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:08:20,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:20,213 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 17:08:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2022-11-20 17:08:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2022-11-20 17:08:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:08:20,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:20,324 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 17:08:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2022-11-20 17:08:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2022-11-20 17:08:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:08:20,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:20,485 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 17:08:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2022-11-20 17:08:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-11-20 17:08:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:08:20,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:20,594 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 17:08:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-11-20 17:08:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-11-20 17:08:20,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:08:20,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:20,867 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 17:08:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2022-11-20 17:08:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-11-20 17:08:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:08:20,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:20,958 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 17:08:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2022-11-20 17:08:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-11-20 17:08:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:08:20,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:21,059 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 17:08:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2022-11-20 17:08:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-11-20 17:08:21,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:08:21,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:21,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:21,260 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 17:08:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2022-11-20 17:08:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-11-20 17:08:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:08:21,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:21,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:21,647 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 17:08:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2022-11-20 17:08:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-11-20 17:08:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:08:22,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:22,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:22,552 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 17:08:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2022-11-20 17:08:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-11-20 17:08:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:08:23,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:23,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:23,601 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 17:08:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:25,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 90 states and 113 transitions. [2022-11-20 17:08:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2022-11-20 17:08:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:08:25,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:25,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:25,405 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 17:08:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2022-11-20 17:08:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2022-11-20 17:08:27,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:08:27,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:27,920 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 17:08:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 112 states and 174 transitions. [2022-11-20 17:08:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 174 transitions. [2022-11-20 17:08:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:08:31,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:31,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:31,238 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 17:08:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 117 states and 189 transitions. [2022-11-20 17:08:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2022-11-20 17:08:33,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:08:33,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:33,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:33,363 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 17:08:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2022-11-20 17:08:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2022-11-20 17:08:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:08:35,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:36,291 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 17:08:41,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 136 states and 246 transitions. [2022-11-20 17:08:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2022-11-20 17:08:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:08:41,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:41,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:41,420 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 17:08:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 252 transitions. [2022-11-20 17:08:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2022-11-20 17:08:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:08:42,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:43,057 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 17:08:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 142 states and 261 transitions. [2022-11-20 17:08:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2022-11-20 17:08:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:08:44,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:44,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:08:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 144 states and 264 transitions. [2022-11-20 17:08:46,212 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 264 transitions. [2022-11-20 17:08:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:08:46,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:46,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:48,093 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 17:08:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 160 states and 303 transitions. [2022-11-20 17:08:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 303 transitions. [2022-11-20 17:08:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:08:58,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:58,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:01,673 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 17:09:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 170 states and 339 transitions. [2022-11-20 17:09:14,765 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 339 transitions. [2022-11-20 17:09:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:09:14,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:14,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:20,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 178 states and 356 transitions. [2022-11-20 17:09:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 356 transitions. [2022-11-20 17:09:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:09:20,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:20,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:22,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2022-11-20 17:09:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2022-11-20 17:09:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:09:22,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:09:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 85 states and 122 transitions. [2022-11-20 17:09:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2022-11-20 17:09:26,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:09:26,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:26,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:09:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 86 states and 124 transitions. [2022-11-20 17:09:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2022-11-20 17:09:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:09:27,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2022-11-20 17:09:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2022-11-20 17:09:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:09:31,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:31,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 91 states and 133 transitions. [2022-11-20 17:09:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2022-11-20 17:09:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:09:32,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:32,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2022-11-20 17:09:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2022-11-20 17:09:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:09:38,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 97 states and 145 transitions. [2022-11-20 17:09:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2022-11-20 17:09:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:09:39,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:39,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2022-11-20 17:09:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2022-11-20 17:09:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:09:42,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:42,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 63 states and 69 transitions. [2022-11-20 17:09:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2022-11-20 17:09:43,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:09:43,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:43,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:09:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2022-11-20 17:09:44,173 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-20 17:09:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:09:44,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:44,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:09:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 68 states and 83 transitions. [2022-11-20 17:09:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2022-11-20 17:09:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:09:48,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:48,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:09:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 69 states and 84 transitions. [2022-11-20 17:09:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2022-11-20 17:09:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:09:49,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:49,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:10:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2022-11-20 17:10:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2022-11-20 17:10:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:10:01,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:01,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:10:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:07,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2022-11-20 17:10:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-11-20 17:10:07,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:10:07,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:10:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2022-11-20 17:10:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-11-20 17:10:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:10:08,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:08,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:10:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2022-11-20 17:10:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2022-11-20 17:10:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:10:57,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:57,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2022-11-20 17:11:19,898 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2022-11-20 17:11:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:11:19,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:19,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 89 states and 126 transitions. [2022-11-20 17:12:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2022-11-20 17:12:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:12:04,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:04,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:12:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 94 states and 135 transitions. [2022-11-20 17:12:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2022-11-20 17:12:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:12:14,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:12:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:24,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 99 states and 143 transitions. [2022-11-20 17:12:24,006 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2022-11-20 17:12:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:12:24,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:12:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 101 states and 146 transitions. [2022-11-20 17:12:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2022-11-20 17:12:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:12:25,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:25,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:12:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 107 states and 155 transitions. [2022-11-20 17:12:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2022-11-20 17:12:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:12:36,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:36,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:12:48,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 112 states and 164 transitions. [2022-11-20 17:12:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 164 transitions. [2022-11-20 17:12:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:12:48,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:13:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2022-11-20 17:13:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2022-11-20 17:13:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:13:03,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:03,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:13:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2022-11-20 17:13:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2022-11-20 17:13:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:13:05,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:05,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:13:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2022-11-20 17:13:42,458 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2022-11-20 17:13:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:13:42,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:13:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2022-11-20 17:13:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2022-11-20 17:13:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:13:45,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:15:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2022-11-20 17:15:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2022-11-20 17:15:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:15:00,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:00,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:15:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:16,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2022-11-20 17:15:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2022-11-20 17:15:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:15:16,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:16,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:16:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2022-11-20 17:16:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-11-20 17:16:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:16:11,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:11,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:16:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2022-11-20 17:16:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2022-11-20 17:16:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:16:20,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:34,525 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:17:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2022-11-20 17:17:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2022-11-20 17:17:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:17:15,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:15,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:19:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2022-11-20 17:19:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2022-11-20 17:19:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:19:15,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:15,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.