./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:33:40,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:33:40,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:33:41,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:33:41,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:33:41,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:33:41,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:33:41,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:33:41,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:33:41,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:33:41,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:33:41,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:33:41,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:33:41,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:33:41,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:33:41,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:33:41,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:33:41,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:33:41,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:33:41,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:33:41,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:33:41,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:33:41,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:33:41,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:33:41,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:33:41,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:33:41,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:33:41,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:33:41,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:33:41,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:33:41,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:33:41,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:33:41,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:33:41,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:33:41,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:33:41,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:33:41,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:33:41,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:33:41,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:33:41,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:33:41,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:33:41,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:33:41,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:33:41,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:33:41,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:33:41,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:33:41,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:33:41,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:33:41,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:33:41,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:33:41,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:33:41,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:33:41,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:33:41,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:33:41,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:33:41,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:33:41,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:33:41,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:33:41,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:33:41,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:33:41,161 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:33:41,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:33:41,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:33:41,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:33:41,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:33:41,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:33:41,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:33:41,163 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:33:41,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:33:41,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:33:41,163 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_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 [2021-11-23 00:33:41,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:33:41,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:33:41,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:33:41,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:33:41,517 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:33:41,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2021-11-23 00:33:41,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/data/9539644d4/3e107d1be4244387ad653338d7654824/FLAGb6ef0506a [2021-11-23 00:33:42,058 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:33:42,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2021-11-23 00:33:42,068 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/data/9539644d4/3e107d1be4244387ad653338d7654824/FLAGb6ef0506a [2021-11-23 00:33:42,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/data/9539644d4/3e107d1be4244387ad653338d7654824 [2021-11-23 00:33:42,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:33:42,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:33:42,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:33:42,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:33:42,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:33:42,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f77af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42, skipping insertion in model container [2021-11-23 00:33:42,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:33:42,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:33:42,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2021-11-23 00:33:42,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:33:42,631 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:33:42,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2021-11-23 00:33:42,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:33:42,672 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:33:42,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42 WrapperNode [2021-11-23 00:33:42,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:33:42,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:33:42,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:33:42,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:33:42,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,712 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-11-23 00:33:42,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:33:42,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:33:42,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:33:42,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:33:42,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:33:42,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:33:42,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:33:42,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:33:42,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:42" (1/1) ... [2021-11-23 00:33:42,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:33:42,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:33:42,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:33:42,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de1a98c5-a910-470e-9cad-4f3521c77f13/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:33:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:33:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:33:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:33:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:33:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:33:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:33:42,898 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:33:42,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:33:43,045 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:33:43,063 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:33:43,064 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:33:43,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:43 BoogieIcfgContainer [2021-11-23 00:33:43,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:33:43,067 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:33:43,067 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:33:43,078 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:33:43,078 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:43" (1/1) ... [2021-11-23 00:33:43,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:33:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 00:33:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 00:33:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:33:43,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:43,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:43,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 00:33:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 00:33:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:33:43,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:43,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:43,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 00:33:43,423 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 00:33:43,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:33:43,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:43,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:43,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:33:43,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 00:33:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:33:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:33:43,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:43,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:43,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:33:43,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 00:33:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 00:33:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:33:44,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:44,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:44,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:33:44,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2021-11-23 00:33:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-11-23 00:33:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:33:45,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:45,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:45,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:33:45,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2021-11-23 00:33:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 00:33:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:33:46,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:46,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:46,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:33:46,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-11-23 00:33:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-11-23 00:33:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:46,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:46,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:46,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:33:46,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2021-11-23 00:33:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2021-11-23 00:33:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:48,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:48,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:48,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:33:48,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2021-11-23 00:33:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2021-11-23 00:33:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:49,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:49,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:49,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:33:49,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2021-11-23 00:33:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2021-11-23 00:33:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:49,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:49,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:50,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:33:50,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2021-11-23 00:33:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2021-11-23 00:33:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:50,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:50,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:50,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:33:50,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2021-11-23 00:33:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2021-11-23 00:33:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:33:51,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:51,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:51,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:33:51,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:33:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 121 transitions. [2021-11-23 00:33:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 121 transitions. [2021-11-23 00:33:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:33:52,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:52,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:52,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:33:52,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:33:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2021-11-23 00:33:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2021-11-23 00:33:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:33:53,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:53,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:53,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:33:53,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:53,985 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:33:54,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2021-11-23 00:33:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2021-11-23 00:33:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:33:54,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:54,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:54,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:33:54,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:56,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:56,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 156 transitions. [2021-11-23 00:33:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 156 transitions. [2021-11-23 00:33:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:33:56,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:56,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:57,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:33:57,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:33:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2021-11-23 00:33:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2021-11-23 00:33:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:33:58,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:33:58,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2021-11-23 00:33:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2021-11-23 00:33:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:33:58,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:33:58,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2021-11-23 00:33:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2021-11-23 00:33:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:33:58,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:33:58,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:34:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 80 states and 173 transitions. [2021-11-23 00:34:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 173 transitions. [2021-11-23 00:34:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:00,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:34:00,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2021-11-23 00:34:03,445 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2021-11-23 00:34:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:03,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:03,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:03,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:34:03,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:34:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:05,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 91 states and 212 transitions. [2021-11-23 00:34:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 212 transitions. [2021-11-23 00:34:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:05,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:05,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:05,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:34:05,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 91 states and 211 transitions. [2021-11-23 00:34:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 211 transitions. [2021-11-23 00:34:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:05,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:05,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:05,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:34:05,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:34:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 94 states and 215 transitions. [2021-11-23 00:34:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 215 transitions. [2021-11-23 00:34:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:07,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:07,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:07,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:34:07,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:34:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 96 states and 216 transitions. [2021-11-23 00:34:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2021-11-23 00:34:09,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:09,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:09,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:09,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:34:09,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:34:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 99 states and 219 transitions. [2021-11-23 00:34:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 219 transitions. [2021-11-23 00:34:11,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:11,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:11,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:11,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:34:11,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:11,770 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2021-11-23 00:34:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2021-11-23 00:34:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:12,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:12,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:12,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:34:12,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:12,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2021-11-23 00:34:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2021-11-23 00:34:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:12,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:12,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:12,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:34:12,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:34:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 103 states and 236 transitions. [2021-11-23 00:34:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 236 transitions. [2021-11-23 00:34:16,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:16,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:16,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:16,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:34:16,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:34:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 106 states and 240 transitions. [2021-11-23 00:34:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 240 transitions. [2021-11-23 00:34:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:20,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:20,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:20,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:34:20,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:20,966 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:34:23,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 243 transitions. [2021-11-23 00:34:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2021-11-23 00:34:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:23,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:23,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:23,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:34:23,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:34:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 111 states and 244 transitions. [2021-11-23 00:34:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 244 transitions. [2021-11-23 00:34:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:27,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:27,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:27,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:34:27,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:34:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 114 states and 247 transitions. [2021-11-23 00:34:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 247 transitions. [2021-11-23 00:34:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:31,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:31,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:31,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:34:31,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 288 transitions. [2021-11-23 00:34:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 288 transitions. [2021-11-23 00:34:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:39,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:39,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:39,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:34:39,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:34:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 125 states and 291 transitions. [2021-11-23 00:34:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 291 transitions. [2021-11-23 00:34:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:46,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:46,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:46,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:34:46,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 125 states and 290 transitions. [2021-11-23 00:34:48,465 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 290 transitions. [2021-11-23 00:34:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:48,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:48,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:48,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:34:48,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 289 transitions. [2021-11-23 00:34:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 289 transitions. [2021-11-23 00:34:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:50,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:50,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:50,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:34:50,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2021-11-23 00:34:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2021-11-23 00:34:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:52,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:52,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:52,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:34:52,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2021-11-23 00:34:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2021-11-23 00:34:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:34:54,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:54,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:54,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:34:54,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:35:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 129 states and 310 transitions. [2021-11-23 00:35:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 310 transitions. [2021-11-23 00:35:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:35:09,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:09,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:09,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:35:09,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:35:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 131 states and 311 transitions. [2021-11-23 00:35:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 311 transitions. [2021-11-23 00:35:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:35:19,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:19,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:19,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:35:19,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:20,675 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:35:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 134 states and 314 transitions. [2021-11-23 00:35:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 314 transitions. [2021-11-23 00:35:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:35:30,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:30,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:30,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:35:30,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:35:43,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 137 states and 317 transitions. [2021-11-23 00:35:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 317 transitions. [2021-11-23 00:35:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:35:43,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:43,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:35:43,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:35:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 140 states and 320 transitions. [2021-11-23 00:35:55,840 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 320 transitions. [2021-11-23 00:35:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:35:55,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:35:55,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 148 states and 366 transitions. [2021-11-23 00:36:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 366 transitions. [2021-11-23 00:36:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:36:15,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:15,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:36:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 151 states and 369 transitions. [2021-11-23 00:36:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 369 transitions. [2021-11-23 00:36:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:36:28,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:36:28,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 151 states and 368 transitions. [2021-11-23 00:36:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 368 transitions. [2021-11-23 00:36:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:36:32,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:36:32,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:36:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 154 states and 371 transitions. [2021-11-23 00:36:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 371 transitions. [2021-11-23 00:36:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:36:48,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:48,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:48,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:36:48,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 154 states and 370 transitions. [2021-11-23 00:36:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 370 transitions. [2021-11-23 00:36:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:36:52,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:52,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:52,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:36:52,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 154 states and 369 transitions. [2021-11-23 00:36:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 369 transitions. [2021-11-23 00:36:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:36:57,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:57,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:57,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:36:57,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 154 states and 368 transitions. [2021-11-23 00:37:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 368 transitions. [2021-11-23 00:37:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:37:01,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:01,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:01,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:37:01,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 154 states and 367 transitions. [2021-11-23 00:37:05,702 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 367 transitions. [2021-11-23 00:37:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:37:05,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:05,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:05,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:37:05,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 162 states and 415 transitions. [2021-11-23 00:37:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 415 transitions. [2021-11-23 00:37:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:37:33,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:33,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:37:33,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:38:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 166 states and 443 transitions. [2021-11-23 00:38:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 443 transitions. [2021-11-23 00:38:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:38:00,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:00,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:00,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:38:00,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 166 states and 442 transitions. [2021-11-23 00:38:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 442 transitions. [2021-11-23 00:38:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:38:05,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:38:05,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:38:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 169 states and 445 transitions. [2021-11-23 00:38:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 445 transitions. [2021-11-23 00:38:29,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:38:29,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:29,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:29,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:38:29,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 169 states and 444 transitions. [2021-11-23 00:38:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 444 transitions. [2021-11-23 00:38:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:38:35,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:35,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:35,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:38:35,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:38:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 172 states and 447 transitions. [2021-11-23 00:38:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 447 transitions. [2021-11-23 00:38:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:38:59,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:59,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:59,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:38:59,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:39:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 175 states and 450 transitions. [2021-11-23 00:39:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 450 transitions. [2021-11-23 00:39:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:39:25,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:25,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:25,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:39:25,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 175 states and 449 transitions. [2021-11-23 00:39:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 449 transitions. [2021-11-23 00:39:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:39:32,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:32,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:32,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:39:32,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 178 states and 453 transitions. [2021-11-23 00:40:07,996 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 453 transitions. [2021-11-23 00:40:07,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:40:07,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:07,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:08,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:40:08,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 178 states and 452 transitions. [2021-11-23 00:40:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 452 transitions. [2021-11-23 00:40:17,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:40:17,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:17,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:17,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:40:17,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 180 states and 453 transitions. [2021-11-23 00:40:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 453 transitions. [2021-11-23 00:40:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:40:41,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:41,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:41,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:40:41,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:41:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 183 states and 456 transitions. [2021-11-23 00:41:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 456 transitions. [2021-11-23 00:41:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:41:15,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:15,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:15,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:41:15,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 183 states and 455 transitions. [2021-11-23 00:41:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 455 transitions. [2021-11-23 00:41:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:41:22,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:22,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:22,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:41:22,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:41:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 186 states and 458 transitions. [2021-11-23 00:41:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 458 transitions. [2021-11-23 00:41:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:41:50,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:50,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:50,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:41:50,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 186 states and 457 transitions. [2021-11-23 00:41:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 457 transitions. [2021-11-23 00:41:59,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:41:59,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:59,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:59,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:41:59,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 190 states and 486 transitions. [2021-11-23 00:43:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 486 transitions. [2021-11-23 00:43:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:43:11,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:11,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:11,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:43:11,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 193 states and 489 transitions. [2021-11-23 00:43:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 489 transitions. [2021-11-23 00:43:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:43:56,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:56,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:56,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:43:56,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 196 states and 492 transitions. [2021-11-23 00:44:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 492 transitions. [2021-11-23 00:44:43,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:44:43,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:43,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:43,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:44:43,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 204 states and 548 transitions. [2021-11-23 00:45:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 548 transitions. [2021-11-23 00:45:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:45:41,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:41,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:41,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:45:41,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:46:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 207 states and 551 transitions. [2021-11-23 00:46:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 551 transitions. [2021-11-23 00:46:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:42,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:46:42,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:47:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 210 states and 554 transitions. [2021-11-23 00:47:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 554 transitions. [2021-11-23 00:47:38,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:38,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:38,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:38,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:47:38,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.