./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.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_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/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_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/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_9313ece5-9ee9-45f6-9e0f-56d808dd8673/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 b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 --- 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 18:15:26,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:15:26,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:15:26,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:15:26,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:15:26,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:15:26,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:15:26,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:15:26,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:15:26,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:15:26,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:15:26,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:15:26,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:15:26,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:15:26,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:15:26,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:15:26,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:15:26,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:15:26,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:15:26,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:15:26,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:15:26,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:15:26,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:15:26,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:15:26,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:15:26,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:15:26,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:15:26,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:15:26,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:15:26,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:15:26,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:15:26,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:15:26,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:15:26,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:15:26,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:15:26,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:15:26,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:15:26,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:15:26,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:15:26,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:15:26,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:15:26,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 18:15:26,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:15:26,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:15:26,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:15:26,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:15:26,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:15:26,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:15:26,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:15:26,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:15:26,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:15:26,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:15:26,886 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:15:26,886 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:15:26,886 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:15:26,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:15:26,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:15:26,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:15:26,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:15:26,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:15:26,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:15:26,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:15:26,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:15:26,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:15:26,888 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:15:26,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:15:26,889 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_9313ece5-9ee9-45f6-9e0f-56d808dd8673/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 [2022-11-20 18:15:27,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:15:27,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:15:27,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:15:27,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:15:27,222 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:15:27,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-11-20 18:15:30,344 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:15:30,638 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:15:30,639 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-11-20 18:15:30,651 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/data/16d3acafe/0c5398a324d64f189a21075d4d433e6c/FLAGaf43639d5 [2022-11-20 18:15:30,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/data/16d3acafe/0c5398a324d64f189a21075d4d433e6c [2022-11-20 18:15:30,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:15:30,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:15:30,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:15:30,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:15:30,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:15:30,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:30" (1/1) ... [2022-11-20 18:15:30,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6618f25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30, skipping insertion in model container [2022-11-20 18:15:30,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:30" (1/1) ... [2022-11-20 18:15:30,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:15:30,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:15:31,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:15:31,098 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:15:31,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:15:31,192 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:15:31,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31 WrapperNode [2022-11-20 18:15:31,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:15:31,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:15:31,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:15:31,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:15:31,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,242 INFO L138 Inliner]: procedures = 123, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-11-20 18:15:31,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:15:31,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:15:31,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:15:31,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:15:31,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:15:31,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:15:31,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:15:31,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:15:31,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:15:31,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:15:31,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:15:31,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9313ece5-9ee9-45f6-9e0f-56d808dd8673/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:15:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:15:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:15:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:15:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:15:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:15:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:15:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:15:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:15:31,532 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:15:31,534 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:15:31,847 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:15:31,877 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:15:31,877 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:15:31,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:31 BoogieIcfgContainer [2022-11-20 18:15:31,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:15:31,881 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:15:31,881 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:15:31,891 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:15:31,892 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:31" (1/1) ... [2022-11-20 18:15:31,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:15:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:31,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2022-11-20 18:15:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-11-20 18:15:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 18:15:31,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:31,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:32,197 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 18:15:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2022-11-20 18:15:32,248 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-11-20 18:15:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 18:15:32,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:32,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:32,379 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 18:15:32,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2022-11-20 18:15:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-11-20 18:15:32,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:15:32,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:32,482 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 18:15:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2022-11-20 18:15:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-11-20 18:15:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:15:32,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:32,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:32,588 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 18:15:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2022-11-20 18:15:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-11-20 18:15:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:15:32,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:32,713 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 18:15:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2022-11-20 18:15:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-11-20 18:15:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:15:32,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:32,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:32,880 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 18:15:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2022-11-20 18:15:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-11-20 18:15:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:15:33,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:33,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:33,116 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 18:15:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:33,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2022-11-20 18:15:33,146 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2022-11-20 18:15:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:15:33,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:33,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:33,214 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 18:15:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2022-11-20 18:15:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-20 18:15:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:15:33,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:33,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:33,292 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 18:15:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2022-11-20 18:15:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2022-11-20 18:15:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:15:33,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:33,622 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 18:15:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2022-11-20 18:15:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-11-20 18:15:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:15:33,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:33,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:33,963 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 18:15:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2022-11-20 18:15:34,302 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-11-20 18:15:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:15:34,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:34,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:34,426 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 18:15:34,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2022-11-20 18:15:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-11-20 18:15:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:15:34,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:34,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:34,749 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 18:15:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2022-11-20 18:15:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-20 18:15:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:15:34,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:35,049 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 18:15:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2022-11-20 18:15:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2022-11-20 18:15:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:15:35,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:35,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:35,395 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 18:15:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2022-11-20 18:15:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2022-11-20 18:15:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:15:35,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:35,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:35,992 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 18:15:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2022-11-20 18:15:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-11-20 18:15:36,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:15:36,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:36,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:36,145 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 18:15:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2022-11-20 18:15:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-11-20 18:15:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:15:36,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:36,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:36,272 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 18:15:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2022-11-20 18:15:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2022-11-20 18:15:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:15:36,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:36,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:36,368 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 18:15:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2022-11-20 18:15:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2022-11-20 18:15:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:15:36,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:36,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:36,427 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 18:15:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2022-11-20 18:15:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2022-11-20 18:15:36,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:15:36,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:36,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:36,639 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 18:15:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2022-11-20 18:15:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2022-11-20 18:15:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:15:36,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:37,002 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 18:15:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2022-11-20 18:15:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2022-11-20 18:15:37,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:15:37,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:37,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:37,347 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 18:15:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2022-11-20 18:15:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2022-11-20 18:15:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:15:38,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:38,885 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 18:15:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 87 states and 127 transitions. [2022-11-20 18:15:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2022-11-20 18:15:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:15:40,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:40,898 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 18:15:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2022-11-20 18:15:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2022-11-20 18:15:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:41,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:41,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 99 states and 154 transitions. [2022-11-20 18:15:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2022-11-20 18:15:45,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:45,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:45,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 110 states and 177 transitions. [2022-11-20 18:15:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2022-11-20 18:15:50,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:50,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:50,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 111 states and 179 transitions. [2022-11-20 18:15:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 179 transitions. [2022-11-20 18:15:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:50,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2022-11-20 18:15:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2022-11-20 18:15:51,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:51,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:51,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 204 transitions. [2022-11-20 18:15:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2022-11-20 18:15:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:53,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 119 states and 203 transitions. [2022-11-20 18:15:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2022-11-20 18:15:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:53,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:53,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 209 transitions. [2022-11-20 18:15:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2022-11-20 18:15:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:54,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:54,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 156 transitions. [2022-11-20 18:15:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 156 transitions. [2022-11-20 18:15:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:55,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:55,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:55,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2022-11-20 18:15:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2022-11-20 18:15:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:15:55,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:55,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2022-11-20 18:15:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2022-11-20 18:15:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:15:56,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 99 states and 164 transitions. [2022-11-20 18:16:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 164 transitions. [2022-11-20 18:16:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:16:02,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:02,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:02,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 157 transitions. [2022-11-20 18:16:02,599 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2022-11-20 18:16:02,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:16:02,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:02,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 153 transitions. [2022-11-20 18:16:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2022-11-20 18:16:03,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:16:03,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2022-11-20 18:16:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2022-11-20 18:16:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:16:11,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:11,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2022-11-20 18:16:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2022-11-20 18:16:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:16:20,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:20,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 112 states and 186 transitions. [2022-11-20 18:16:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2022-11-20 18:16:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:16:22,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:22,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 119 states and 202 transitions. [2022-11-20 18:16:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 202 transitions. [2022-11-20 18:16:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:16:36,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 197 transitions. [2022-11-20 18:16:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions. [2022-11-20 18:16:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:16:42,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:42,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 209 transitions. [2022-11-20 18:16:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2022-11-20 18:16:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:16:50,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:50,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:05,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2022-11-20 18:17:05,045 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2022-11-20 18:17:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:17:05,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:05,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2022-11-20 18:17:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2022-11-20 18:17:13,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:17:13,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:13,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 146 states and 249 transitions. [2022-11-20 18:17:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 249 transitions. [2022-11-20 18:17:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:17:34,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:34,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:50,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 154 states and 261 transitions. [2022-11-20 18:17:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 261 transitions. [2022-11-20 18:17:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:17:50,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:50,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 276 transitions. [2022-11-20 18:18:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2022-11-20 18:18:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:18:06,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 171 states and 290 transitions. [2022-11-20 18:18:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 290 transitions. [2022-11-20 18:18:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:18:36,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:36,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 179 states and 301 transitions. [2022-11-20 18:18:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 301 transitions. [2022-11-20 18:18:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:18:55,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:55,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 193 states and 324 transitions. [2022-11-20 18:19:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 324 transitions. [2022-11-20 18:19:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:19:24,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:24,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 200 states and 338 transitions. [2022-11-20 18:19:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 338 transitions. [2022-11-20 18:19:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:19:54,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:54,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 208 states and 350 transitions. [2022-11-20 18:20:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 350 transitions. [2022-11-20 18:20:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:20:19,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:19,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 222 states and 373 transitions. [2022-11-20 18:20:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 373 transitions. [2022-11-20 18:20:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:20:56,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 229 states and 387 transitions. [2022-11-20 18:21:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 387 transitions. [2022-11-20 18:21:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:21:38,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:38,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 241 states and 404 transitions. [2022-11-20 18:22:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 404 transitions. [2022-11-20 18:22:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:22:07,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 249 states and 416 transitions. [2022-11-20 18:22:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 416 transitions. [2022-11-20 18:22:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:22:39,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:39,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:23:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 261 states and 433 transitions. [2022-11-20 18:23:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 433 transitions. [2022-11-20 18:23:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:23:13,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:13,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 269 states and 446 transitions. [2022-11-20 18:24:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 446 transitions. [2022-11-20 18:24:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:24:18,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:18,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 276 states and 460 transitions. [2022-11-20 18:25:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 460 transitions. [2022-11-20 18:25:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:25:04,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:04,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 283 states and 474 transitions. [2022-11-20 18:25:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 474 transitions. [2022-11-20 18:25:54,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 18:25:54,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:54,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 290 states and 488 transitions. [2022-11-20 18:26:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 488 transitions. [2022-11-20 18:26:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:26:52,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:52,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 297 states and 502 transitions. [2022-11-20 18:27:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 502 transitions. [2022-11-20 18:27:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:27:58,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:58,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:09,347 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:29:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 304 states and 516 transitions. [2022-11-20 18:29:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 516 transitions. [2022-11-20 18:29:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:29:05,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:05,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.