./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:36,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:36,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:36,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:36,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:37,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:37,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:37,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:37,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:37,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:37,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:37,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:37,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:37,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:37,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:37,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:37,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:37,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:37,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:37,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:37,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:37,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:37,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:37,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:37,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:37,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:37,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:37,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:37,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:37,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:37,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:37,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:37,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:37,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:37,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:37,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:37,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:37,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:37,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:37,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:37,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:37,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 21:58:37,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:37,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:37,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:37,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:37,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:37,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:37,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:37,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:58:37,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:37,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:37,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:37,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:37,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:37,128 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:58:37,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:37,128 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:37,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:37,129 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:37,129 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:37,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:37,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:37,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:37,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:37,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:37,131 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:37,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:37,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:37,131 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_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2021-11-13 21:58:37,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:37,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:37,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:37,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:37,452 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:37,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-13 21:58:37,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/data/9311e428b/0366f92d7c2e433394f6f2ca683084ca/FLAG8111bc96a [2021-11-13 21:58:38,153 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:38,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-13 21:58:38,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/data/9311e428b/0366f92d7c2e433394f6f2ca683084ca/FLAG8111bc96a [2021-11-13 21:58:38,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/data/9311e428b/0366f92d7c2e433394f6f2ca683084ca [2021-11-13 21:58:38,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:38,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:38,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:38,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:38,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:38,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:38" (1/1) ... [2021-11-13 21:58:38,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e6f3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:38, skipping insertion in model container [2021-11-13 21:58:38,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:38" (1/1) ... [2021-11-13 21:58:38,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:38,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:39,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:39,240 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:39,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:39,452 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:39,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39 WrapperNode [2021-11-13 21:58:39,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:39,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:39,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:39,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:39,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:39,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:39,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:39,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:39,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:39,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:39,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:39,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:39,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:39" (1/1) ... [2021-11-13 21:58:39,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:39,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:39,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:39,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3906c4a7-b594-4f40-9851-ee736f6a0dc5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:58:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:58:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:58:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 21:58:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:58:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:58:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:58:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-13 21:58:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 21:58:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-13 21:58:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 21:58:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:58:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:40,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:40,569 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 21:58:40,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:40 BoogieIcfgContainer [2021-11-13 21:58:40,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:40,573 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:40,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:40,584 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:40,584 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:40" (1/1) ... [2021-11-13 21:58:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2021-11-13 21:58:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2021-11-13 21:58:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:58:40,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:40,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-13 21:58:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-13 21:58:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:58:40,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:40,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:41,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2021-11-13 21:58:41,112 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2021-11-13 21:58:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:58:41,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:41,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:58:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-13 21:58:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-13 21:58:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:58:41,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:41,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2021-11-13 21:58:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2021-11-13 21:58:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:58:41,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:41,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-13 21:58:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-13 21:58:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:58:41,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:41,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2021-11-13 21:58:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2021-11-13 21:58:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:58:41,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:41,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2021-11-13 21:58:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-13 21:58:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:58:42,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-13 21:58:42,372 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-13 21:58:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:58:42,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2021-11-13 21:58:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2021-11-13 21:58:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:58:42,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2021-11-13 21:58:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2021-11-13 21:58:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:58:42,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2021-11-13 21:58:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2021-11-13 21:58:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 21:58:43,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:43,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:43,228 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2021-11-13 21:58:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2021-11-13 21:58:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 21:58:43,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:43,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 95 states and 106 transitions. [2021-11-13 21:58:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-11-13 21:58:43,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 21:58:43,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:43,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2021-11-13 21:58:43,851 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2021-11-13 21:58:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 21:58:43,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:43,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-13 21:58:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-13 21:58:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:44,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:44,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 92 states and 103 transitions. [2021-11-13 21:58:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2021-11-13 21:58:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 21:58:44,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:44,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2021-11-13 21:58:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2021-11-13 21:58:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 21:58:44,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:44,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:44,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 93 states and 105 transitions. [2021-11-13 21:58:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2021-11-13 21:58:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 21:58:44,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:44,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2021-11-13 21:58:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-11-13 21:58:44,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 21:58:44,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:44,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2021-11-13 21:58:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-11-13 21:58:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 21:58:45,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:45,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:58:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:45,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 94 states and 107 transitions. [2021-11-13 21:58:45,282 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2021-11-13 21:58:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 21:58:45,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:45,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:58:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2021-11-13 21:58:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-11-13 21:58:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 21:58:45,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:45,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 102 states and 120 transitions. [2021-11-13 21:58:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 120 transitions. [2021-11-13 21:58:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 21:58:46,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:46,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:58:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 103 states and 121 transitions. [2021-11-13 21:58:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2021-11-13 21:58:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 21:58:46,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:46,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-13 21:58:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 105 states and 122 transitions. [2021-11-13 21:58:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2021-11-13 21:58:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:58:46,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:46,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2021-11-13 21:58:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2021-11-13 21:58:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:58:46,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:47,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2021-11-13 21:58:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-11-13 21:58:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 21:58:47,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2021-11-13 21:58:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2021-11-13 21:58:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 21:58:47,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:48,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 115 states and 132 transitions. [2021-11-13 21:58:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2021-11-13 21:58:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 21:58:48,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 118 states and 135 transitions. [2021-11-13 21:58:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2021-11-13 21:58:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 21:58:48,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 121 states and 138 transitions. [2021-11-13 21:58:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2021-11-13 21:58:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 21:58:49,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:49,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 124 states and 141 transitions. [2021-11-13 21:58:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-11-13 21:58:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 21:58:49,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:49,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:50,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 127 states and 144 transitions. [2021-11-13 21:58:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2021-11-13 21:58:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:58:50,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:50,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 21:58:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 130 states and 146 transitions. [2021-11-13 21:58:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 146 transitions. [2021-11-13 21:58:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:58:51,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:51,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 41 proven. 249 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:59:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 167 states and 201 transitions. [2021-11-13 21:59:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2021-11-13 21:59:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 21:59:13,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:13,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 169 states and 204 transitions. [2021-11-13 21:59:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 204 transitions. [2021-11-13 21:59:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:59:13,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:13,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2021-11-13 21:59:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2021-11-13 21:59:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:59:14,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:14,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 171 states and 206 transitions. [2021-11-13 21:59:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 206 transitions. [2021-11-13 21:59:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:59:14,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:14,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 167 states and 197 transitions. [2021-11-13 21:59:14,923 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2021-11-13 21:59:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:59:14,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:14,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-11-13 21:59:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 166 states and 196 transitions. [2021-11-13 21:59:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2021-11-13 21:59:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 21:59:15,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:15,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-13 21:59:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:18,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 175 states and 209 transitions. [2021-11-13 21:59:18,682 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 209 transitions. [2021-11-13 21:59:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 21:59:18,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:18,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 176 states and 211 transitions. [2021-11-13 21:59:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 211 transitions. [2021-11-13 21:59:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 21:59:19,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:19,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:20,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 175 states and 208 transitions. [2021-11-13 21:59:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 208 transitions. [2021-11-13 21:59:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 21:59:20,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:20,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-13 21:59:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 185 states and 220 transitions. [2021-11-13 21:59:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 220 transitions. [2021-11-13 21:59:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 21:59:24,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:24,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-13 21:59:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 187 states and 224 transitions. [2021-11-13 21:59:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 224 transitions. [2021-11-13 21:59:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 21:59:24,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:24,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-13 21:59:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 188 states and 225 transitions. [2021-11-13 21:59:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 225 transitions. [2021-11-13 21:59:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:59:24,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:24,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 191 states and 228 transitions. [2021-11-13 21:59:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 228 transitions. [2021-11-13 21:59:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 21:59:25,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:25,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-13 21:59:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 193 states and 232 transitions. [2021-11-13 21:59:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 232 transitions. [2021-11-13 21:59:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 21:59:26,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:26,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-13 21:59:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 192 states and 229 transitions. [2021-11-13 21:59:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 229 transitions. [2021-11-13 21:59:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 21:59:27,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:27,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 108 proven. 12 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:28,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 195 states and 232 transitions. [2021-11-13 21:59:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 232 transitions. [2021-11-13 21:59:28,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 21:59:28,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:28,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-11-13 21:59:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 247 states and 293 transitions. [2021-11-13 21:59:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 293 transitions. [2021-11-13 21:59:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 21:59:46,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:46,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 139 proven. 22 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:47,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:47,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 250 states and 296 transitions. [2021-11-13 21:59:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 296 transitions. [2021-11-13 21:59:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 21:59:47,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:47,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-11-13 21:59:48,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 251 states and 296 transitions. [2021-11-13 21:59:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 296 transitions. [2021-11-13 21:59:48,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-13 21:59:48,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:48,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 170 proven. 35 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 254 states and 299 transitions. [2021-11-13 21:59:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 299 transitions. [2021-11-13 21:59:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-13 21:59:49,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:49,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 201 proven. 51 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 257 states and 302 transitions. [2021-11-13 21:59:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 302 transitions. [2021-11-13 21:59:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-13 21:59:50,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:50,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 232 proven. 70 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:51,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 260 states and 305 transitions. [2021-11-13 21:59:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 305 transitions. [2021-11-13 21:59:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:59:51,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:51,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 263 proven. 92 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:52,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 263 states and 308 transitions. [2021-11-13 21:59:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 308 transitions. [2021-11-13 21:59:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 21:59:52,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:52,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 294 proven. 117 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 21:59:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:53,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 266 states and 310 transitions. [2021-11-13 21:59:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 310 transitions. [2021-11-13 21:59:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:59:53,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:53,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 669 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-13 22:01:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 338 states and 427 transitions. [2021-11-13 22:01:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 427 transitions. [2021-11-13 22:01:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 22:01:24,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:24,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 669 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-13 22:02:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 376 states and 489 transitions. [2021-11-13 22:02:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 489 transitions. [2021-11-13 22:02:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 22:02:23,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:23,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 84 proven. 584 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-13 22:04:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 452 states and 621 transitions. [2021-11-13 22:04:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 621 transitions. [2021-11-13 22:04:52,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 22:04:52,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:52,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-13 22:08:23,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 528 states and 755 transitions. [2021-11-13 22:08:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 755 transitions. [2021-11-13 22:08:23,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 22:08:23,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:23,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-11-13 22:09:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 570 states and 815 transitions. [2021-11-13 22:09:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 815 transitions. [2021-11-13 22:09:19,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 22:09:19,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:19,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-13 22:09:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 574 states and 830 transitions. [2021-11-13 22:09:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 830 transitions. [2021-11-13 22:09:35,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 22:09:35,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:35,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 84 proven. 584 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-13 22:10:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 577 states and 835 transitions. [2021-11-13 22:10:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 835 transitions. [2021-11-13 22:10:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 22:10:19,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:19,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat