./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/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_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:36:31,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:31,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:36:31,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:31,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:31,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:31,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:31,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:31,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:31,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:31,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:31,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:31,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:31,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:31,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:31,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:31,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:31,758 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:31,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:31,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:31,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:31,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:31,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:31,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:31,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:31,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:31,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:31,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:31,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:31,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:31,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:31,766 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:31,767 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_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bab52eb5923c15e4bc9c70f58b3e07f531d9c2f4fa12be32117f6f5f5ee2181e [2023-11-21 18:36:32,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:32,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:32,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:32,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:32,263 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:32,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-21 18:36:35,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:36,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:36,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-21 18:36:36,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/data/e1e25fbef/8efe442bd1b3433782880ac3b929e7a5/FLAG62c7c1a56 [2023-11-21 18:36:36,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/data/e1e25fbef/8efe442bd1b3433782880ac3b929e7a5 [2023-11-21 18:36:36,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:36,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:36,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:36,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:36,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:36,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:36" (1/1) ... [2023-11-21 18:36:36,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4822fbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:36, skipping insertion in model container [2023-11-21 18:36:36,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:36" (1/1) ... [2023-11-21 18:36:36,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:38,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:38,385 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:38,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:38,870 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:38,871 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:38,871 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:38,871 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:38,872 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:38,872 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:38,872 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:38,881 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:38,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38 WrapperNode [2023-11-21 18:36:38,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:38,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:38,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:38,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:38,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:38,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,084 INFO L138 Inliner]: procedures = 575, calls = 420, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 1747 [2023-11-21 18:36:39,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:39,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:39,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:39,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:39,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:39,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:39,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:39,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:39,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:39,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:39,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:39,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06636c61-c90e-412f-b459-f846364dc754/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:36:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-21 18:36:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-21 18:36:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-21 18:36:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:36:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 18:36:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 18:36:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:36:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:36:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:36:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:36:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:36:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:36:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-21 18:36:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-21 18:36:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:36:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:36:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-21 18:36:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:36:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:36:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:36:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:36:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:36:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-21 18:36:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:36:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:36:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:36:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:36:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-21 18:36:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:40,096 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:40,099 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:41,879 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:42,638 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:42,639 INFO L308 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-21 18:36:42,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:42 BoogieIcfgContainer [2023-11-21 18:36:42,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:42,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:42,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:42,655 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:42,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:42" (1/1) ... [2023-11-21 18:36:42,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 382 states and 536 transitions. [2023-11-21 18:36:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 536 transitions. [2023-11-21 18:36:42,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:36:42,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:42,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 384 states and 539 transitions. [2023-11-21 18:36:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 539 transitions. [2023-11-21 18:36:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:36:43,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:43,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 385 states and 540 transitions. [2023-11-21 18:36:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 540 transitions. [2023-11-21 18:36:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:36:43,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:44,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 387 states and 543 transitions. [2023-11-21 18:36:44,117 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 543 transitions. [2023-11-21 18:36:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:36:44,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:36:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 386 states and 542 transitions. [2023-11-21 18:36:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 542 transitions. [2023-11-21 18:36:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:36:44,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:44,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 387 states and 543 transitions. [2023-11-21 18:36:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 543 transitions. [2023-11-21 18:36:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:36:44,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:44,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 386 states and 542 transitions. [2023-11-21 18:36:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 542 transitions. [2023-11-21 18:36:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:45,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:36:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 385 states and 541 transitions. [2023-11-21 18:36:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 541 transitions. [2023-11-21 18:36:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:45,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:45,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 388 states and 544 transitions. [2023-11-21 18:36:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 544 transitions. [2023-11-21 18:36:45,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:36:45,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 391 states and 547 transitions. [2023-11-21 18:36:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 547 transitions. [2023-11-21 18:36:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:46,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:46,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 394 states and 550 transitions. [2023-11-21 18:36:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 550 transitions. [2023-11-21 18:36:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:46,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 397 states and 553 transitions. [2023-11-21 18:36:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2023-11-21 18:36:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:46,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:46,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:47,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 400 states and 556 transitions. [2023-11-21 18:36:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 556 transitions. [2023-11-21 18:36:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:47,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:47,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 403 states and 559 transitions. [2023-11-21 18:36:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 559 transitions. [2023-11-21 18:36:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:48,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:48,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 406 states and 562 transitions. [2023-11-21 18:36:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 562 transitions. [2023-11-21 18:36:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:36:48,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 409 states and 564 transitions. [2023-11-21 18:36:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 564 transitions. [2023-11-21 18:36:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:36:49,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:49,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 408 states and 563 transitions. [2023-11-21 18:36:49,971 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 563 transitions. [2023-11-21 18:36:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:36:49,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 407 states and 562 transitions. [2023-11-21 18:36:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 562 transitions. [2023-11-21 18:36:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:36:50,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:50,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 406 states and 561 transitions. [2023-11-21 18:36:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 561 transitions. [2023-11-21 18:36:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:36:50,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:50,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:50,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 407 states and 563 transitions. [2023-11-21 18:36:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 563 transitions. [2023-11-21 18:36:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:36:50,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 408 states and 564 transitions. [2023-11-21 18:36:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 564 transitions. [2023-11-21 18:36:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:36:51,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:51,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 411 states and 568 transitions. [2023-11-21 18:36:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 568 transitions. [2023-11-21 18:36:51,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:36:51,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:51,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:51,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 412 states and 569 transitions. [2023-11-21 18:36:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 569 transitions. [2023-11-21 18:36:51,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:36:51,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:51,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 413 states and 570 transitions. [2023-11-21 18:36:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 570 transitions. [2023-11-21 18:36:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:36:51,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:36:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 419 states and 581 transitions. [2023-11-21 18:36:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 581 transitions. [2023-11-21 18:36:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:36:52,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:52,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 421 states and 585 transitions. [2023-11-21 18:36:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 585 transitions. [2023-11-21 18:36:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:52,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:52,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:36:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 422 states and 586 transitions. [2023-11-21 18:36:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 586 transitions. [2023-11-21 18:36:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:53,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:53,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:36:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 421 states and 585 transitions. [2023-11-21 18:36:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 585 transitions. [2023-11-21 18:36:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:36:53,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:53,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 424 states and 590 transitions. [2023-11-21 18:36:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 590 transitions. [2023-11-21 18:36:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:36:54,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 428 states and 595 transitions. [2023-11-21 18:36:54,731 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 595 transitions. [2023-11-21 18:36:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:36:54,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:36:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 429 states and 597 transitions. [2023-11-21 18:36:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 597 transitions. [2023-11-21 18:36:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:36:55,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:36:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 431 states and 600 transitions. [2023-11-21 18:36:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 600 transitions. [2023-11-21 18:36:56,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:36:56,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 435 states and 605 transitions. [2023-11-21 18:36:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 605 transitions. [2023-11-21 18:36:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:36:56,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-21 18:36:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 434 states and 604 transitions. [2023-11-21 18:36:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 604 transitions. [2023-11-21 18:36:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:36:57,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-21 18:36:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 435 states and 604 transitions. [2023-11-21 18:36:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 604 transitions. [2023-11-21 18:36:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:36:57,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,324 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 434 states and 603 transitions. [2023-11-21 18:36:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 603 transitions. [2023-11-21 18:36:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:36:58,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,753 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:36:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 438 states and 608 transitions. [2023-11-21 18:36:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 608 transitions. [2023-11-21 18:36:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:36:58,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:36:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 439 states and 609 transitions. [2023-11-21 18:36:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 609 transitions. [2023-11-21 18:36:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:36:59,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 441 states and 611 transitions. [2023-11-21 18:37:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 611 transitions. [2023-11-21 18:37:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:37:00,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:00,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:37:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 442 states and 613 transitions. [2023-11-21 18:37:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 613 transitions. [2023-11-21 18:37:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:37:00,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:00,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:37:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 443 states and 613 transitions. [2023-11-21 18:37:01,203 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 613 transitions. [2023-11-21 18:37:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:37:01,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 446 states and 617 transitions. [2023-11-21 18:37:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 617 transitions. [2023-11-21 18:37:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:37:01,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:02,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 450 states and 622 transitions. [2023-11-21 18:37:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2023-11-21 18:37:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:37:02,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 451 states and 623 transitions. [2023-11-21 18:37:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 623 transitions. [2023-11-21 18:37:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:37:02,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:03,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:03,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 453 states and 626 transitions. [2023-11-21 18:37:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 626 transitions. [2023-11-21 18:37:03,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:37:03,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:03,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:37:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 462 states and 642 transitions. [2023-11-21 18:37:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2023-11-21 18:37:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:37:05,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:05,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-21 18:37:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 460 states and 637 transitions. [2023-11-21 18:37:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 637 transitions. [2023-11-21 18:37:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:37:05,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:05,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 459 states and 635 transitions. [2023-11-21 18:37:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 635 transitions. [2023-11-21 18:37:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:37:06,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:06,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 458 states and 634 transitions. [2023-11-21 18:37:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 634 transitions. [2023-11-21 18:37:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:37:06,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:06,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:37:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 468 states and 649 transitions. [2023-11-21 18:37:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 649 transitions. [2023-11-21 18:37:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:37:08,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:08,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 467 states and 648 transitions. [2023-11-21 18:37:09,549 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 648 transitions. [2023-11-21 18:37:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:37:09,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:09,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 466 states and 647 transitions. [2023-11-21 18:37:09,728 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 647 transitions. [2023-11-21 18:37:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:37:09,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 465 states and 646 transitions. [2023-11-21 18:37:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 646 transitions. [2023-11-21 18:37:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:37:10,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 469 states and 651 transitions. [2023-11-21 18:37:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 651 transitions. [2023-11-21 18:37:11,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:37:11,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:11,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 468 states and 650 transitions. [2023-11-21 18:37:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 650 transitions. [2023-11-21 18:37:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:37:11,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:11,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 472 states and 655 transitions. [2023-11-21 18:37:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 655 transitions. [2023-11-21 18:37:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:37:12,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:12,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:37:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 473 states and 655 transitions. [2023-11-21 18:37:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 655 transitions. [2023-11-21 18:37:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:37:12,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:12,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:37:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 475 states and 656 transitions. [2023-11-21 18:37:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 656 transitions. [2023-11-21 18:37:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:37:13,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:37:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 477 states and 657 transitions. [2023-11-21 18:37:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 657 transitions. [2023-11-21 18:37:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:37:13,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:37:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 477 states and 653 transitions. [2023-11-21 18:37:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 653 transitions. [2023-11-21 18:37:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:37:14,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:14,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:37:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 479 states and 658 transitions. [2023-11-21 18:37:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 658 transitions. [2023-11-21 18:37:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:37:15,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat