./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.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_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/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_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/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_79423cd4-32b4-4cc5-a48c-d596df2c507d/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 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- 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 18:01:26,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:01:26,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:01:26,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:01:26,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:01:26,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:01:26,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:01:26,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:01:26,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:01:26,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:01:26,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:01:26,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:01:26,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:01:26,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:01:26,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:01:26,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:01:26,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:01:26,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:01:26,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:01:26,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:01:26,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:01:26,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:01:26,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:01:26,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:01:26,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:01:26,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:01:26,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:01:26,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:01:26,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:01:26,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:01:26,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:01:26,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:01:26,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:01:26,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:01:26,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:01:26,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:01:26,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:01:26,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:01:26,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:01:26,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:01:26,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:01:26,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 18:01:26,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:01:26,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:01:26,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:01:26,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:01:26,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:01:26,162 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:01:26,162 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:01:26,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:01:26,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:01:26,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:01:26,164 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:01:26,164 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:01:26,164 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:01:26,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:01:26,165 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:01:26,165 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:01:26,165 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:01:26,165 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:01:26,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:01:26,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:26,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:01:26,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:01:26,166 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:01:26,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:01:26,167 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_79423cd4-32b4-4cc5-a48c-d596df2c507d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2022-11-20 18:01:26,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:01:26,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:01:26,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:01:26,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:01:26,502 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:01:26,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2022-11-20 18:01:29,670 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:01:30,010 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:01:30,014 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2022-11-20 18:01:30,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/data/2f853debc/321a3d1348e1486d8e2672c018c43eb1/FLAG05fb4775c [2022-11-20 18:01:30,051 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/data/2f853debc/321a3d1348e1486d8e2672c018c43eb1 [2022-11-20 18:01:30,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:01:30,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:01:30,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:30,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:01:30,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:01:30,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4873779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30, skipping insertion in model container [2022-11-20 18:01:30,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:01:30,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:01:30,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:30,473 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:01:30,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:30,556 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:01:30,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30 WrapperNode [2022-11-20 18:01:30,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:30,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:30,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:01:30,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:01:30,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,613 INFO L138 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2022-11-20 18:01:30,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:30,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:01:30,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:01:30,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:01:30,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:01:30,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:01:30,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:01:30,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:01:30,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:30" (1/1) ... [2022-11-20 18:01:30,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:01:30,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:01:30,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79423cd4-32b4-4cc5-a48c-d596df2c507d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:01:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:01:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:01:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:01:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:01:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:01:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:01:30,897 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:01:30,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:01:31,220 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:01:31,345 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:01:31,346 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 18:01:31,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:31 BoogieIcfgContainer [2022-11-20 18:01:31,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:01:31,350 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:01:31,350 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:01:31,362 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:01:31,363 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:31" (1/1) ... [2022-11-20 18:01:31,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:01:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2022-11-20 18:01:31,451 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2022-11-20 18:01:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:01:31,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:31,959 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 18:01:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2022-11-20 18:01:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-11-20 18:01:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:01:32,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:32,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:32,360 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 18:01:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2022-11-20 18:01:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-20 18:01:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:01:32,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:32,838 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 18:01:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2022-11-20 18:01:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-20 18:01:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:01:33,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:33,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:33,192 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 18:01:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2022-11-20 18:01:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2022-11-20 18:01:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:01:33,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:33,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:33,776 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 18:01:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2022-11-20 18:01:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-11-20 18:01:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:01:34,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:34,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:34,640 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 18:01:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2022-11-20 18:01:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2022-11-20 18:01:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:01:36,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:36,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:36,191 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 18:01:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2022-11-20 18:01:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2022-11-20 18:01:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:01:36,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:36,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:36,423 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 18:01:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2022-11-20 18:01:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2022-11-20 18:01:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:01:37,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:37,415 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 18:01:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2022-11-20 18:01:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2022-11-20 18:01:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:01:39,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:39,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:39,662 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 18:01:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2022-11-20 18:01:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2022-11-20 18:01:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:01:40,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:40,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 84 states and 152 transitions. [2022-11-20 18:01:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 152 transitions. [2022-11-20 18:01:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:43,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:43,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:01:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 159 transitions. [2022-11-20 18:01:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 159 transitions. [2022-11-20 18:01:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:43,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:43,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:01:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 86 states and 159 transitions. [2022-11-20 18:01:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 159 transitions. [2022-11-20 18:01:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:44,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:01:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 87 states and 163 transitions. [2022-11-20 18:01:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 163 transitions. [2022-11-20 18:01:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:45,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:45,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:01:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 88 states and 167 transitions. [2022-11-20 18:01:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 167 transitions. [2022-11-20 18:01:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:45,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:45,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:01:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 90 states and 170 transitions. [2022-11-20 18:01:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 170 transitions. [2022-11-20 18:01:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:46,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:46,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:01:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 188 transitions. [2022-11-20 18:01:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2022-11-20 18:01:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:50,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:50,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:01:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2022-11-20 18:01:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-11-20 18:01:54,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:54,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:54,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:01:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2022-11-20 18:01:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2022-11-20 18:01:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:01:55,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:55,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:00,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2022-11-20 18:02:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2022-11-20 18:02:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:02:00,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:00,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:00,986 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 18:02:01,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2022-11-20 18:02:01,626 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2022-11-20 18:02:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:02:01,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2022-11-20 18:02:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2022-11-20 18:02:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:02:07,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 77 states and 119 transitions. [2022-11-20 18:02:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions. [2022-11-20 18:02:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:02:08,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 80 states and 124 transitions. [2022-11-20 18:02:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2022-11-20 18:02:13,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:02:13,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:13,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 119 transitions. [2022-11-20 18:02:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2022-11-20 18:02:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:02:17,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:17,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:18,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 77 states and 118 transitions. [2022-11-20 18:02:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2022-11-20 18:02:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:02:18,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:18,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:19,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 119 transitions. [2022-11-20 18:02:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2022-11-20 18:02:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:02:20,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 79 states and 126 transitions. [2022-11-20 18:02:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2022-11-20 18:02:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:02:25,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:25,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 80 states and 129 transitions. [2022-11-20 18:02:26,540 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 129 transitions. [2022-11-20 18:02:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:02:26,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:26,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 82 states and 138 transitions. [2022-11-20 18:02:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2022-11-20 18:02:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:02:32,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 83 states and 138 transitions. [2022-11-20 18:02:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 138 transitions. [2022-11-20 18:02:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:02:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:33,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2022-11-20 18:02:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2022-11-20 18:02:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:02:40,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:40,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2022-11-20 18:02:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2022-11-20 18:02:41,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:02:41,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:41,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 87 states and 146 transitions. [2022-11-20 18:02:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2022-11-20 18:02:44,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:02:44,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:44,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 91 states and 152 transitions. [2022-11-20 18:02:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 152 transitions. [2022-11-20 18:02:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:02:52,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:52,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2022-11-20 18:02:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-20 18:02:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:02:58,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:58,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:03:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2022-11-20 18:03:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2022-11-20 18:03:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:03:11,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:11,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:03:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2022-11-20 18:03:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2022-11-20 18:03:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:03:25,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:25,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:03:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2022-11-20 18:03:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-20 18:03:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:03:29,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:29,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:03:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2022-11-20 18:03:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2022-11-20 18:03:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:03:29,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:29,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:03:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2022-11-20 18:03:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 18:03:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:03:36,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:03:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2022-11-20 18:03:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2022-11-20 18:03:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:03:59,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:59,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:00,162 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 18:04:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2022-11-20 18:04:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2022-11-20 18:04:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:04:02,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:02,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:04:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2022-11-20 18:04:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2022-11-20 18:04:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:04:19,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:19,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:04:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2022-11-20 18:04:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2022-11-20 18:04:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:04:29,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:04:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 89 states and 128 transitions. [2022-11-20 18:04:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2022-11-20 18:04:56,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:04:56,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:56,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:05:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2022-11-20 18:05:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2022-11-20 18:05:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:05:30,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:30,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:30,281 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 18:05:41,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:41,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 97 states and 146 transitions. [2022-11-20 18:05:41,071 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2022-11-20 18:05:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:05:41,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:41,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:05:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 99 states and 149 transitions. [2022-11-20 18:05:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2022-11-20 18:05:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:05:48,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:48,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:48,658 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 18:05:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2022-11-20 18:05:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2022-11-20 18:05:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:05:54,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:54,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:06:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:06:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 108 states and 167 transitions. [2022-11-20 18:06:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 167 transitions. [2022-11-20 18:06:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:06:08,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:06:08,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:06:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:06:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:06:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:06:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 170 transitions. [2022-11-20 18:06:36,675 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2022-11-20 18:06:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:06:36,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:06:36,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:06:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:06:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 128 states and 209 transitions. [2022-11-20 18:07:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2022-11-20 18:07:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:38,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:38,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:07:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 130 states and 214 transitions. [2022-11-20 18:07:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 214 transitions. [2022-11-20 18:07:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:46,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:46,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:07:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 132 states and 219 transitions. [2022-11-20 18:07:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 219 transitions. [2022-11-20 18:07:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:52,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:07:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 134 states and 222 transitions. [2022-11-20 18:07:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 222 transitions. [2022-11-20 18:07:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:57,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:57,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 18:08:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2022-11-20 18:08:00,856 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2022-11-20 18:08:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:08:00,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:00,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 18:08:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 128 states and 212 transitions. [2022-11-20 18:08:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2022-11-20 18:08:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:08:14,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 18:08:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 127 states and 207 transitions. [2022-11-20 18:08:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 207 transitions. [2022-11-20 18:08:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:08:21,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:21,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 18:08:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 204 transitions. [2022-11-20 18:08:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2022-11-20 18:08:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:08:25,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:25,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 18:09:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 134 states and 224 transitions. [2022-11-20 18:09:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 224 transitions. [2022-11-20 18:09:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:09:01,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:01,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:09:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2022-11-20 18:09:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2022-11-20 18:09:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:09:03,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:03,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:09:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 147 states and 253 transitions. [2022-11-20 18:09:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 253 transitions. [2022-11-20 18:09:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:09:36,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:36,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:37,016 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 18:09:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 147 states and 252 transitions. [2022-11-20 18:09:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2022-11-20 18:09:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:09:40,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:40,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 157 states and 274 transitions. [2022-11-20 18:10:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 274 transitions. [2022-11-20 18:10:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:10:39,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:39,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:10:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 271 transitions. [2022-11-20 18:10:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2022-11-20 18:10:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:10:43,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:10:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 157 states and 272 transitions. [2022-11-20 18:10:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 272 transitions. [2022-11-20 18:10:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:10:49,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:11:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 157 states and 271 transitions. [2022-11-20 18:11:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2022-11-20 18:11:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:11:24,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 18:12:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 157 states and 268 transitions. [2022-11-20 18:12:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 268 transitions. [2022-11-20 18:12:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:12:08,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:13:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 163 states and 286 transitions. [2022-11-20 18:13:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 286 transitions. [2022-11-20 18:13:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:13:22,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:22,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:14:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 171 states and 302 transitions. [2022-11-20 18:14:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 302 transitions. [2022-11-20 18:14:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:14:01,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:01,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:01,749 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 18:14:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 172 states and 303 transitions. [2022-11-20 18:14:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 303 transitions. [2022-11-20 18:14:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:14:05,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:05,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:14:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 174 states and 306 transitions. [2022-11-20 18:14:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 306 transitions. [2022-11-20 18:14:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:14:13,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:13,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:15:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 176 states and 310 transitions. [2022-11-20 18:15:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 310 transitions. [2022-11-20 18:15:00,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:15:00,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:00,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 18:15:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 176 states and 309 transitions. [2022-11-20 18:15:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2022-11-20 18:15:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:15:05,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:05,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:05,487 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:15:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 176 states and 308 transitions. [2022-11-20 18:15:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 308 transitions. [2022-11-20 18:15:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:15:15,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:15,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.