./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 bab52eb5923c15e4bc9c70f58b3e07f531d9c2f4fa12be32117f6f5f5ee2181e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:47,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:47,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:56:47,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:47,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:47,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:47,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:47,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:47,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:47,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:47,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:47,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:47,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:47,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:47,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:47,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:47,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:47,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:47,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:47,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:47,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:47,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:47,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:47,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:47,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:47,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:47,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:47,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:47,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:47,698 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:47,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:47,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:47,699 INFO L153 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_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bab52eb5923c15e4bc9c70f58b3e07f531d9c2f4fa12be32117f6f5f5ee2181e [2023-11-19 03:56:48,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:48,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:48,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:48,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:48,048 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:48,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-19 03:56:51,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:51,587 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:51,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-19 03:56:51,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/data/7cceb0631/6bbda52b71d04353af011ac962de789d/FLAG1af2e57b0 [2023-11-19 03:56:51,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/data/7cceb0631/6bbda52b71d04353af011ac962de789d [2023-11-19 03:56:51,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:51,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:51,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:51,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:51,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:51,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:51" (1/1) ... [2023-11-19 03:56:51,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:51, skipping insertion in model container [2023-11-19 03:56:51,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:51" (1/1) ... [2023-11-19 03:56:51,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:53,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:53,324 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:53,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:53,691 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:53,692 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:53,692 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:53,692 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:53,692 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:53,692 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:53,693 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:53,700 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:53,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53 WrapperNode [2023-11-19 03:56:53,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:53,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:53,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:53,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:53,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:53,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:53,889 INFO L138 Inliner]: procedures = 575, calls = 420, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 1747 [2023-11-19 03:56:53,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:53,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:53,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:53,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:53,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:53,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:53,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:53,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:53,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:54,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:54,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:54,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:54,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:54,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:54,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:54,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:54,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:53" (1/1) ... [2023-11-19 03:56:54,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:54,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:54,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:54,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3161052-c2cb-43ec-8580-1deea73da1d9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:56:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:56:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-19 03:56:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-19 03:56:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-19 03:56:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:56:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 03:56:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 03:56:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:56:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:56:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:56:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:56:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:56:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 03:56:54,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 03:56:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-19 03:56:54,166 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-19 03:56:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:56:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:56:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 03:56:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:56:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:56:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:56:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:56:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:56:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:56:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-19 03:56:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:56:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:56:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 03:56:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 03:56:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 03:56:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-19 03:56:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:54,657 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:54,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:56,461 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:57,130 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:57,130 INFO L302 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-19 03:56:57,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:57 BoogieIcfgContainer [2023-11-19 03:56:57,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:57,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:57,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:57,156 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:57,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:57" (1/1) ... [2023-11-19 03:56:57,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 382 states and 536 transitions. [2023-11-19 03:56:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 536 transitions. [2023-11-19 03:56:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:56:57,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:57,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 384 states and 539 transitions. [2023-11-19 03:56:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 539 transitions. [2023-11-19 03:56:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:56:57,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:57,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 385 states and 540 transitions. [2023-11-19 03:56:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 540 transitions. [2023-11-19 03:56:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:56:58,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 387 states and 543 transitions. [2023-11-19 03:56:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 543 transitions. [2023-11-19 03:56:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:56:58,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:56:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 386 states and 542 transitions. [2023-11-19 03:56:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 542 transitions. [2023-11-19 03:56:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:56:58,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 387 states and 543 transitions. [2023-11-19 03:56:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 543 transitions. [2023-11-19 03:56:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:56:58,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 386 states and 542 transitions. [2023-11-19 03:56:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 542 transitions. [2023-11-19 03:56:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:56:59,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:56:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 385 states and 541 transitions. [2023-11-19 03:56:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 541 transitions. [2023-11-19 03:56:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:56:59,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 388 states and 544 transitions. [2023-11-19 03:56:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 544 transitions. [2023-11-19 03:56:59,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:56:59,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:00,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:00,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 391 states and 547 transitions. [2023-11-19 03:57:00,134 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 547 transitions. [2023-11-19 03:57:00,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:00,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:00,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 394 states and 550 transitions. [2023-11-19 03:57:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 550 transitions. [2023-11-19 03:57:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:00,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 397 states and 553 transitions. [2023-11-19 03:57:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2023-11-19 03:57:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:57:01,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 400 states and 556 transitions. [2023-11-19 03:57:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 556 transitions. [2023-11-19 03:57:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:57:01,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:01,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 403 states and 559 transitions. [2023-11-19 03:57:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 559 transitions. [2023-11-19 03:57:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:02,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 406 states and 562 transitions. [2023-11-19 03:57:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 562 transitions. [2023-11-19 03:57:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:57:02,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 409 states and 564 transitions. [2023-11-19 03:57:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 564 transitions. [2023-11-19 03:57:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:03,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:04,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 408 states and 563 transitions. [2023-11-19 03:57:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 563 transitions. [2023-11-19 03:57:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:57:04,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 407 states and 562 transitions. [2023-11-19 03:57:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 562 transitions. [2023-11-19 03:57:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:04,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 406 states and 561 transitions. [2023-11-19 03:57:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 561 transitions. [2023-11-19 03:57:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:57:04,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,878 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 407 states and 563 transitions. [2023-11-19 03:57:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 563 transitions. [2023-11-19 03:57:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:57:04,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 408 states and 564 transitions. [2023-11-19 03:57:05,139 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 564 transitions. [2023-11-19 03:57:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:57:05,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 411 states and 568 transitions. [2023-11-19 03:57:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 568 transitions. [2023-11-19 03:57:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:57:05,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 412 states and 569 transitions. [2023-11-19 03:57:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 569 transitions. [2023-11-19 03:57:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:57:05,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 413 states and 570 transitions. [2023-11-19 03:57:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 570 transitions. [2023-11-19 03:57:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:57:05,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:57:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 419 states and 581 transitions. [2023-11-19 03:57:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 581 transitions. [2023-11-19 03:57:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:57:06,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:06,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 421 states and 585 transitions. [2023-11-19 03:57:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 585 transitions. [2023-11-19 03:57:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:07,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:07,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:57:07,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 422 states and 586 transitions. [2023-11-19 03:57:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 586 transitions. [2023-11-19 03:57:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:07,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:07,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:57:07,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 421 states and 585 transitions. [2023-11-19 03:57:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 585 transitions. [2023-11-19 03:57:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:57:07,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:07,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 424 states and 590 transitions. [2023-11-19 03:57:08,172 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 590 transitions. [2023-11-19 03:57:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:57:08,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:08,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 428 states and 595 transitions. [2023-11-19 03:57:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 595 transitions. [2023-11-19 03:57:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:57:08,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:08,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-19 03:57:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 430 states and 597 transitions. [2023-11-19 03:57:09,271 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 597 transitions. [2023-11-19 03:57:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:57:09,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:57:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 431 states and 600 transitions. [2023-11-19 03:57:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 600 transitions. [2023-11-19 03:57:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:57:10,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:10,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 435 states and 605 transitions. [2023-11-19 03:57:10,744 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 605 transitions. [2023-11-19 03:57:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:10,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:10,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 03:57:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 434 states and 604 transitions. [2023-11-19 03:57:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 604 transitions. [2023-11-19 03:57:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:11,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-19 03:57:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 435 states and 604 transitions. [2023-11-19 03:57:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 604 transitions. [2023-11-19 03:57:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:57:11,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 434 states and 603 transitions. [2023-11-19 03:57:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 603 transitions. [2023-11-19 03:57:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:57:12,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:12,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 438 states and 608 transitions. [2023-11-19 03:57:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 608 transitions. [2023-11-19 03:57:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:57:12,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:57:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 439 states and 609 transitions. [2023-11-19 03:57:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 609 transitions. [2023-11-19 03:57:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:57:13,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:13,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 441 states and 611 transitions. [2023-11-19 03:57:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 611 transitions. [2023-11-19 03:57:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:57:13,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:13,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:57:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 442 states and 613 transitions. [2023-11-19 03:57:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 613 transitions. [2023-11-19 03:57:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:57:14,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:57:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 443 states and 613 transitions. [2023-11-19 03:57:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 613 transitions. [2023-11-19 03:57:14,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:57:14,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:14,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 446 states and 617 transitions. [2023-11-19 03:57:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 617 transitions. [2023-11-19 03:57:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:57:15,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:15,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:16,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 450 states and 622 transitions. [2023-11-19 03:57:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2023-11-19 03:57:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:57:16,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:16,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 451 states and 623 transitions. [2023-11-19 03:57:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 623 transitions. [2023-11-19 03:57:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:57:16,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:16,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 453 states and 626 transitions. [2023-11-19 03:57:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 626 transitions. [2023-11-19 03:57:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:57:16,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:16,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-19 03:57:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 462 states and 642 transitions. [2023-11-19 03:57:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2023-11-19 03:57:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:57:18,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:18,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-19 03:57:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 463 states and 643 transitions. [2023-11-19 03:57:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 643 transitions. [2023-11-19 03:57:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:57:19,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:19,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 462 states and 641 transitions. [2023-11-19 03:57:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 641 transitions. [2023-11-19 03:57:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:57:19,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 461 states and 640 transitions. [2023-11-19 03:57:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 640 transitions. [2023-11-19 03:57:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:57:20,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:20,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-19 03:57:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 471 states and 656 transitions. [2023-11-19 03:57:22,491 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 656 transitions. [2023-11-19 03:57:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:57:22,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:22,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 470 states and 655 transitions. [2023-11-19 03:57:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 655 transitions. [2023-11-19 03:57:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:57:23,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 469 states and 654 transitions. [2023-11-19 03:57:23,204 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 654 transitions. [2023-11-19 03:57:23,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:57:23,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 468 states and 653 transitions. [2023-11-19 03:57:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 653 transitions. [2023-11-19 03:57:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:57:23,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 472 states and 658 transitions. [2023-11-19 03:57:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 658 transitions. [2023-11-19 03:57:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:57:24,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 471 states and 657 transitions. [2023-11-19 03:57:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 657 transitions. [2023-11-19 03:57:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:57:24,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 475 states and 662 transitions. [2023-11-19 03:57:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 662 transitions. [2023-11-19 03:57:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:57:25,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:25,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:25,958 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:57:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 476 states and 662 transitions. [2023-11-19 03:57:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 662 transitions. [2023-11-19 03:57:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:57:25,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:25,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 03:57:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 478 states and 663 transitions. [2023-11-19 03:57:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 663 transitions. [2023-11-19 03:57:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:57:26,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:26,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 03:57:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 480 states and 664 transitions. [2023-11-19 03:57:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 664 transitions. [2023-11-19 03:57:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:57:27,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 480 states and 660 transitions. [2023-11-19 03:57:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 660 transitions. [2023-11-19 03:57:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:57:27,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:27,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:57:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 482 states and 665 transitions. [2023-11-19 03:57:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 665 transitions. [2023-11-19 03:57:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:57:28,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-19 03:57:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 484 states and 671 transitions. [2023-11-19 03:57:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 671 transitions. [2023-11-19 03:57:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:57:31,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:31,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:57:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 488 states and 676 transitions. [2023-11-19 03:57:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 676 transitions. [2023-11-19 03:57:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:57:31,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:31,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.