./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC --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 03b53479a229860326bd9a16bcf220f48f51b37308f964b035d484d603486daf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:22,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:22,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:29:22,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:22,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:22,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:22,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:22,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:22,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:22,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:22,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:22,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:22,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:22,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:22,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:22,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:22,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:22,151 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:22,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:22,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:22,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:22,154 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:22,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:22,155 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:22,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:22,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:22,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:22,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:22,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:22,158 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:22,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:22,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:22,159 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_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b53479a229860326bd9a16bcf220f48f51b37308f964b035d484d603486daf [2023-11-23 20:29:22,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:22,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:22,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:22,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:22,462 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:22,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/tee-1.i [2023-11-23 20:29:25,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:26,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:26,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/sv-benchmarks/c/busybox-1.22.0/tee-1.i [2023-11-23 20:29:26,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/data/8f2351684/f791be18cf7847aba05bb78f18dce89a/FLAGf889a9e5c [2023-11-23 20:29:26,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/data/8f2351684/f791be18cf7847aba05bb78f18dce89a [2023-11-23 20:29:26,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:26,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:26,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:26,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:26,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:26,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:26" (1/1) ... [2023-11-23 20:29:26,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365bcec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:26, skipping insertion in model container [2023-11-23 20:29:26,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:26" (1/1) ... [2023-11-23 20:29:26,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:27,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:27,862 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:28,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:28,247 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:28,247 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:28,247 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:28,247 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:28,248 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:28,248 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:28,248 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:28,256 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:28,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28 WrapperNode [2023-11-23 20:29:28,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:28,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:28,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:28,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:28,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,417 INFO L138 Inliner]: procedures = 575, calls = 420, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 1755 [2023-11-23 20:29:28,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:28,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:28,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:28,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:28,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:28,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:28,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:28,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:28,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:28,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:28,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:28,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfceaaa-a7cc-4090-9813-8ebcdd073fc1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:29:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-23 20:29:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-23 20:29:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-23 20:29:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:29:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-23 20:29:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-23 20:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:29:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-23 20:29:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-23 20:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-23 20:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:29:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:29:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:29:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-23 20:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:29:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:29:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:29:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:29:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-23 20:29:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:29,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:29,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:30,952 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:31,545 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:31,546 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-23 20:29:31,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:31 BoogieIcfgContainer [2023-11-23 20:29:31,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:31,549 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:31,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:31,561 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:31,561 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:31" (1/1) ... [2023-11-23 20:29:31,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 398 states and 552 transitions. [2023-11-23 20:29:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 552 transitions. [2023-11-23 20:29:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:29:31,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:31,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 400 states and 555 transitions. [2023-11-23 20:29:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 555 transitions. [2023-11-23 20:29:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:29:32,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:32,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 401 states and 556 transitions. [2023-11-23 20:29:32,553 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 556 transitions. [2023-11-23 20:29:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:29:32,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:32,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 403 states and 559 transitions. [2023-11-23 20:29:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 559 transitions. [2023-11-23 20:29:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:29:32,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:32,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:29:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 402 states and 558 transitions. [2023-11-23 20:29:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 558 transitions. [2023-11-23 20:29:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:29:33,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:33,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 403 states and 559 transitions. [2023-11-23 20:29:33,407 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 559 transitions. [2023-11-23 20:29:33,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:29:33,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:33,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:29:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 402 states and 558 transitions. [2023-11-23 20:29:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 558 transitions. [2023-11-23 20:29:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:29:33,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:33,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:29:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 401 states and 557 transitions. [2023-11-23 20:29:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 557 transitions. [2023-11-23 20:29:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:29:33,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 404 states and 560 transitions. [2023-11-23 20:29:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 560 transitions. [2023-11-23 20:29:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:29:34,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 407 states and 563 transitions. [2023-11-23 20:29:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 563 transitions. [2023-11-23 20:29:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:29:34,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:34,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 410 states and 566 transitions. [2023-11-23 20:29:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 566 transitions. [2023-11-23 20:29:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:29:35,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:35,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 413 states and 569 transitions. [2023-11-23 20:29:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 569 transitions. [2023-11-23 20:29:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:29:35,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:35,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:36,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 416 states and 572 transitions. [2023-11-23 20:29:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 572 transitions. [2023-11-23 20:29:36,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:29:36,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 419 states and 575 transitions. [2023-11-23 20:29:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 575 transitions. [2023-11-23 20:29:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:29:37,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:37,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 422 states and 578 transitions. [2023-11-23 20:29:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 578 transitions. [2023-11-23 20:29:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:29:37,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:37,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 425 states and 580 transitions. [2023-11-23 20:29:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 580 transitions. [2023-11-23 20:29:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:29:38,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 424 states and 579 transitions. [2023-11-23 20:29:38,880 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 579 transitions. [2023-11-23 20:29:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:29:38,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:38,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 423 states and 578 transitions. [2023-11-23 20:29:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 578 transitions. [2023-11-23 20:29:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:29:39,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:39,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 422 states and 577 transitions. [2023-11-23 20:29:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 577 transitions. [2023-11-23 20:29:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:29:39,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:39,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 423 states and 579 transitions. [2023-11-23 20:29:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 579 transitions. [2023-11-23 20:29:39,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:29:39,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:39,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:40,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 424 states and 580 transitions. [2023-11-23 20:29:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 580 transitions. [2023-11-23 20:29:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:29:40,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:40,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 427 states and 584 transitions. [2023-11-23 20:29:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 584 transitions. [2023-11-23 20:29:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:29:40,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:40,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:40,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 428 states and 585 transitions. [2023-11-23 20:29:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 585 transitions. [2023-11-23 20:29:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:29:40,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 429 states and 586 transitions. [2023-11-23 20:29:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 586 transitions. [2023-11-23 20:29:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:29:40,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:29:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2023-11-23 20:29:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2023-11-23 20:29:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:29:41,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:41,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 437 states and 601 transitions. [2023-11-23 20:29:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 601 transitions. [2023-11-23 20:29:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:29:42,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:42,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:29:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 438 states and 602 transitions. [2023-11-23 20:29:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 602 transitions. [2023-11-23 20:29:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:29:42,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:42,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:29:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 437 states and 601 transitions. [2023-11-23 20:29:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 601 transitions. [2023-11-23 20:29:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:29:42,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:42,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:43,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 440 states and 606 transitions. [2023-11-23 20:29:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 606 transitions. [2023-11-23 20:29:43,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:29:43,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 444 states and 611 transitions. [2023-11-23 20:29:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 611 transitions. [2023-11-23 20:29:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:29:43,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:43,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 20:29:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 446 states and 613 transitions. [2023-11-23 20:29:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 613 transitions. [2023-11-23 20:29:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:29:44,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:29:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 447 states and 616 transitions. [2023-11-23 20:29:45,632 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 616 transitions. [2023-11-23 20:29:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:29:45,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 451 states and 621 transitions. [2023-11-23 20:29:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 621 transitions. [2023-11-23 20:29:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:29:46,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:46,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-23 20:29:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:46,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 450 states and 620 transitions. [2023-11-23 20:29:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 620 transitions. [2023-11-23 20:29:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:29:46,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:46,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 20:29:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:47,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 451 states and 620 transitions. [2023-11-23 20:29:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 620 transitions. [2023-11-23 20:29:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:29:47,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:47,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 450 states and 619 transitions. [2023-11-23 20:29:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 619 transitions. [2023-11-23 20:29:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:29:47,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 454 states and 624 transitions. [2023-11-23 20:29:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 624 transitions. [2023-11-23 20:29:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:29:48,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:29:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 455 states and 625 transitions. [2023-11-23 20:29:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 625 transitions. [2023-11-23 20:29:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:29:48,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 457 states and 627 transitions. [2023-11-23 20:29:49,605 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 627 transitions. [2023-11-23 20:29:49,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:29:49,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:49,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:29:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 458 states and 629 transitions. [2023-11-23 20:29:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 629 transitions. [2023-11-23 20:29:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:29:50,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:29:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:50,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 459 states and 629 transitions. [2023-11-23 20:29:50,695 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 629 transitions. [2023-11-23 20:29:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:29:50,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:50,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 462 states and 633 transitions. [2023-11-23 20:29:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 633 transitions. [2023-11-23 20:29:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:29:51,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:51,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 466 states and 638 transitions. [2023-11-23 20:29:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 638 transitions. [2023-11-23 20:29:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:29:52,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 467 states and 639 transitions. [2023-11-23 20:29:52,458 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 639 transitions. [2023-11-23 20:29:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:29:52,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 469 states and 642 transitions. [2023-11-23 20:29:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 642 transitions. [2023-11-23 20:29:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:29:52,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:52,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-23 20:29:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 478 states and 658 transitions. [2023-11-23 20:29:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 658 transitions. [2023-11-23 20:29:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:29:54,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-23 20:29:55,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 479 states and 659 transitions. [2023-11-23 20:29:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 659 transitions. [2023-11-23 20:29:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:29:55,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:55,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:56,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 478 states and 657 transitions. [2023-11-23 20:29:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 657 transitions. [2023-11-23 20:29:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:29:56,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:56,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 477 states and 656 transitions. [2023-11-23 20:29:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 656 transitions. [2023-11-23 20:29:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:29:56,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-23 20:29:59,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 487 states and 672 transitions. [2023-11-23 20:29:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 672 transitions. [2023-11-23 20:29:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:29:59,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:59,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 486 states and 671 transitions. [2023-11-23 20:29:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 671 transitions. [2023-11-23 20:29:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:29:59,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:59,803 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:29:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 485 states and 670 transitions. [2023-11-23 20:29:59,829 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 670 transitions. [2023-11-23 20:29:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:29:59,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:30:00,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 484 states and 669 transitions. [2023-11-23 20:30:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 669 transitions. [2023-11-23 20:30:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:30:00,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:00,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:30:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 488 states and 674 transitions. [2023-11-23 20:30:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 674 transitions. [2023-11-23 20:30:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:30:01,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:30:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 487 states and 673 transitions. [2023-11-23 20:30:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 673 transitions. [2023-11-23 20:30:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:30:01,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:30:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 491 states and 678 transitions. [2023-11-23 20:30:02,640 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 678 transitions. [2023-11-23 20:30:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:30:02,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:30:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 492 states and 678 transitions. [2023-11-23 20:30:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 678 transitions. [2023-11-23 20:30:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:30:02,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-23 20:30:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 494 states and 679 transitions. [2023-11-23 20:30:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 679 transitions. [2023-11-23 20:30:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:30:03,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:03,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-23 20:30:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 496 states and 680 transitions. [2023-11-23 20:30:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 680 transitions. [2023-11-23 20:30:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:30:04,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:04,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:30:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 496 states and 676 transitions. [2023-11-23 20:30:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 676 transitions. [2023-11-23 20:30:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:30:04,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:30:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 498 states and 681 transitions. [2023-11-23 20:30:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 681 transitions. [2023-11-23 20:30:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:30:06,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:06,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat