./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB --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 ce7b97696e85da66033a1f3711f1d24681434c76600ae3cd891d7ea07b7fcbea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:34,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:34,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:34,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:34,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:34,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:34,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:34,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:34,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:34,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:34,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:34,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:34,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:34,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:34,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:34,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:34,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:34,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:34,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:34,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:34,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:34,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:34,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:34,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:34,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:34,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:34,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:34,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:34,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:34,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:34,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:34,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:34,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:34,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:34,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:34,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:34,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:34,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:34,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:34,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:34,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:34,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:04:34,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:34,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:34,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:34,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:34,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:34,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:34,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:04:34,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:34,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:34,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:34,210 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:04:34,211 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:04:34,211 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:04:34,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:34,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:34,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:34,212 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:34,212 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:34,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:34,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:34,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:34,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:34,213 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:34,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:34,214 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_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7b97696e85da66033a1f3711f1d24681434c76600ae3cd891d7ea07b7fcbea [2022-10-17 17:04:34,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:34,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:34,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:34,569 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:34,570 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:34,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/lockfree-3.0.i [2022-10-17 17:04:34,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/data/60c13f04d/d46efa074c1149a3aa3510405101e42b/FLAG0ec2f6e2f [2022-10-17 17:04:35,262 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:35,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/sv-benchmarks/c/memsafety/lockfree-3.0.i [2022-10-17 17:04:35,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/data/60c13f04d/d46efa074c1149a3aa3510405101e42b/FLAG0ec2f6e2f [2022-10-17 17:04:35,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/data/60c13f04d/d46efa074c1149a3aa3510405101e42b [2022-10-17 17:04:35,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:35,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:35,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:35,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:35,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:35,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a1782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35, skipping insertion in model container [2022-10-17 17:04:35,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:35,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:36,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:36,032 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:36,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:36,124 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:36,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36 WrapperNode [2022-10-17 17:04:36,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:36,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:36,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:36,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:36,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,214 INFO L138 Inliner]: procedures = 125, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 120 [2022-10-17 17:04:36,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:36,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:36,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:36,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:36,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:36,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:36,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:36,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:36,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:36" (1/1) ... [2022-10-17 17:04:36,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:36,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:36,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:36,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51677b7a-652a-419c-b27c-2d8eed2209fe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:04:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:04:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:04:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:36,581 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:36,583 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:36,933 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:37,039 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:37,052 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:04:37,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:37 BoogieIcfgContainer [2022-10-17 17:04:37,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:37,056 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:37,056 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:37,071 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:37,071 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:37" (1/1) ... [2022-10-17 17:04:37,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-10-17 17:04:37,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-10-17 17:04:37,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:04:37,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-10-17 17:04:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-10-17 17:04:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:04:37,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-10-17 17:04:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-10-17 17:04:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:04:37,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2022-10-17 17:04:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-10-17 17:04:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:04:37,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2022-10-17 17:04:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-10-17 17:04:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:04:37,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:38,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2022-10-17 17:04:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-10-17 17:04:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:38,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:38,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:38,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2022-10-17 17:04:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-10-17 17:04:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:38,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:38,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2022-10-17 17:04:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2022-10-17 17:04:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:38,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2022-10-17 17:04:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2022-10-17 17:04:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:04:39,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:39,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:39,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 92 transitions. [2022-10-17 17:04:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2022-10-17 17:04:39,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:04:39,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:39,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2022-10-17 17:04:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2022-10-17 17:04:39,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:04:39,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:39,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2022-10-17 17:04:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2022-10-17 17:04:39,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:04:39,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:39,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:40,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 111 transitions. [2022-10-17 17:04:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 111 transitions. [2022-10-17 17:04:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:40,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:41,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 72 states and 125 transitions. [2022-10-17 17:04:41,239 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 125 transitions. [2022-10-17 17:04:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:41,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:41,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 76 states and 135 transitions. [2022-10-17 17:04:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 135 transitions. [2022-10-17 17:04:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:41,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:41,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:04:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 78 states and 141 transitions. [2022-10-17 17:04:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2022-10-17 17:04:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:04:42,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:42,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 164 transitions. [2022-10-17 17:04:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 164 transitions. [2022-10-17 17:04:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:43,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 193 transitions. [2022-10-17 17:04:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 193 transitions. [2022-10-17 17:04:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:44,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:44,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 99 states and 222 transitions. [2022-10-17 17:04:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 222 transitions. [2022-10-17 17:04:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:46,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:46,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 101 states and 231 transitions. [2022-10-17 17:04:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 231 transitions. [2022-10-17 17:04:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:47,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:47,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 103 states and 235 transitions. [2022-10-17 17:04:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 235 transitions. [2022-10-17 17:04:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:47,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:47,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:04:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 109 states and 253 transitions. [2022-10-17 17:04:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 253 transitions. [2022-10-17 17:04:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:49,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:49,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:04:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 112 states and 260 transitions. [2022-10-17 17:04:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 260 transitions. [2022-10-17 17:04:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:49,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 115 states and 268 transitions. [2022-10-17 17:04:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 268 transitions. [2022-10-17 17:04:50,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:50,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:50,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 119 states and 276 transitions. [2022-10-17 17:04:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 276 transitions. [2022-10-17 17:04:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:50,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 128 states and 312 transitions. [2022-10-17 17:04:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 312 transitions. [2022-10-17 17:04:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:52,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 136 states and 347 transitions. [2022-10-17 17:04:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 347 transitions. [2022-10-17 17:04:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:53,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:53,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:04:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:55,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 139 states and 356 transitions. [2022-10-17 17:04:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 356 transitions. [2022-10-17 17:04:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:55,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:55,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:04:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 142 states and 363 transitions. [2022-10-17 17:04:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 363 transitions. [2022-10-17 17:04:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:55,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:55,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 147 states and 385 transitions. [2022-10-17 17:04:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 385 transitions. [2022-10-17 17:04:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:57,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:57,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 149 states and 391 transitions. [2022-10-17 17:04:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 391 transitions. [2022-10-17 17:04:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:58,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:58,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 151 states and 403 transitions. [2022-10-17 17:04:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 403 transitions. [2022-10-17 17:04:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:58,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:05:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 154 states and 407 transitions. [2022-10-17 17:05:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 407 transitions. [2022-10-17 17:05:00,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:00,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:00,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:05:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 155 states and 408 transitions. [2022-10-17 17:05:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 408 transitions. [2022-10-17 17:05:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:05:00,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:00,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:05:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:01,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 158 states and 420 transitions. [2022-10-17 17:05:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 420 transitions. [2022-10-17 17:05:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:05:01,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:05:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 160 states and 422 transitions. [2022-10-17 17:05:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 422 transitions. [2022-10-17 17:05:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:05:01,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:05:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 162 states and 424 transitions. [2022-10-17 17:05:02,671 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 424 transitions. [2022-10-17 17:05:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:05:02,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:02,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:05:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 166 states and 447 transitions. [2022-10-17 17:05:04,203 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 447 transitions. [2022-10-17 17:05:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:05:04,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:04,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.