./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-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_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/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_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/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_557ed8df-85b8-42e5-a527-a38b278458af/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 e2335f4c07c0129d2e69ffd9d14c59795c6fab06c496c22eabe1dbb307857c96 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:09,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:09,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:31:09,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:09,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:09,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:09,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:09,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:09,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:09,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:09,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:09,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:09,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:09,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:09,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:09,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:09,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:09,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:09,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:09,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:09,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:09,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:09,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:09,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:09,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:09,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:09,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:09,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:09,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:09,517 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:09,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:09,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:09,519 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_557ed8df-85b8-42e5-a527-a38b278458af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2335f4c07c0129d2e69ffd9d14c59795c6fab06c496c22eabe1dbb307857c96 [2023-11-21 18:31:09,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:09,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:09,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:09,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:09,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:09,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/tac-2.i [2023-11-21 18:31:12,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:13,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:13,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/sv-benchmarks/c/busybox-1.22.0/tac-2.i [2023-11-21 18:31:13,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/data/3e00e26e4/e2f7fb7413e24e109452af1ec8cc2830/FLAG2e20a89f9 [2023-11-21 18:31:13,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/data/3e00e26e4/e2f7fb7413e24e109452af1ec8cc2830 [2023-11-21 18:31:13,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:13,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:13,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:13,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:13,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:13,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:13" (1/1) ... [2023-11-21 18:31:13,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dff099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:13, skipping insertion in model container [2023-11-21 18:31:13,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:13" (1/1) ... [2023-11-21 18:31:13,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:15,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:15,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:15,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:15,788 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:15,789 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:15,789 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:15,789 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:15,789 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:15,798 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:15,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15 WrapperNode [2023-11-21 18:31:15,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:15,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:15,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:15,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:15,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:15,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:15,980 INFO L138 Inliner]: procedures = 575, calls = 409, calls flagged for inlining = 26, calls inlined = 25, statements flattened = 1712 [2023-11-21 18:31:15,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:15,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:15,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:15,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:15,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:15,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:16,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:16,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:16,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:16,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:16,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:16,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:16,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557ed8df-85b8-42e5-a527-a38b278458af/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-21 18:31:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-21 18:31:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-21 18:31:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-21 18:31:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:31:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:31:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 18:31:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 18:31:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-21 18:31:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:31:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:31:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:31:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:31:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:31:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:31:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:31:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-21 18:31:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-21 18:31:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:31:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:31:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-21 18:31:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-21 18:31:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-21 18:31:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:31:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:31:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:31:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:31:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:31:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:31:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:31:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2023-11-21 18:31:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2023-11-21 18:31:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:31:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:31:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:31:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:16,846 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:16,849 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:18,560 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:19,156 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:19,157 INFO L308 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-21 18:31:19,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:19 BoogieIcfgContainer [2023-11-21 18:31:19,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:19,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:19,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:19,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:19,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:19" (1/1) ... [2023-11-21 18:31:19,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 428 states and 594 transitions. [2023-11-21 18:31:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 594 transitions. [2023-11-21 18:31:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:31:19,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:19,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:19,811 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 18:31:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 430 states and 597 transitions. [2023-11-21 18:31:19,893 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 597 transitions. [2023-11-21 18:31:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:19,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:19,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:20,001 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 18:31:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 431 states and 598 transitions. [2023-11-21 18:31:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 598 transitions. [2023-11-21 18:31:20,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:31:20,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:20,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:20,197 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 18:31:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 433 states and 601 transitions. [2023-11-21 18:31:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 601 transitions. [2023-11-21 18:31:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:31:20,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:20,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:20,386 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 18:31:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 432 states and 600 transitions. [2023-11-21 18:31:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 600 transitions. [2023-11-21 18:31:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:31:20,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:20,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:20,679 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 18:31:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 433 states and 601 transitions. [2023-11-21 18:31:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 601 transitions. [2023-11-21 18:31:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:31:20,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:20,960 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 18:31:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 432 states and 600 transitions. [2023-11-21 18:31:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 600 transitions. [2023-11-21 18:31:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:31:21,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,238 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 18:31:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 431 states and 599 transitions. [2023-11-21 18:31:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 599 transitions. [2023-11-21 18:31:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:31:21,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,498 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 18:31:21,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 434 states and 602 transitions. [2023-11-21 18:31:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 602 transitions. [2023-11-21 18:31:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:31:21,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,893 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 18:31:22,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 437 states and 605 transitions. [2023-11-21 18:31:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 605 transitions. [2023-11-21 18:31:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:31:22,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,384 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 18:31:22,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 440 states and 608 transitions. [2023-11-21 18:31:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 608 transitions. [2023-11-21 18:31:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:31:22,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,948 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 18:31:23,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 443 states and 611 transitions. [2023-11-21 18:31:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 611 transitions. [2023-11-21 18:31:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:31:23,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,608 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 18:31:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 446 states and 614 transitions. [2023-11-21 18:31:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 614 transitions. [2023-11-21 18:31:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:31:23,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:24,280 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 18:31:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 449 states and 617 transitions. [2023-11-21 18:31:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 617 transitions. [2023-11-21 18:31:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:31:24,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:24,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:24,983 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 18:31:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 452 states and 620 transitions. [2023-11-21 18:31:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 620 transitions. [2023-11-21 18:31:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:31:25,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:25,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:25,683 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 18:31:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 455 states and 622 transitions. [2023-11-21 18:31:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 622 transitions. [2023-11-21 18:31:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:31:25,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:25,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,356 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 18:31:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 454 states and 621 transitions. [2023-11-21 18:31:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 621 transitions. [2023-11-21 18:31:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:31:26,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,818 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 18:31:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 453 states and 620 transitions. [2023-11-21 18:31:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 620 transitions. [2023-11-21 18:31:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:26,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,132 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 18:31:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 452 states and 619 transitions. [2023-11-21 18:31:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 619 transitions. [2023-11-21 18:31:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:31:27,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,581 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 18:31:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 454 states and 622 transitions. [2023-11-21 18:31:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 622 transitions. [2023-11-21 18:31:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:31:27,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,924 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 18:31:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 457 states and 626 transitions. [2023-11-21 18:31:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 626 transitions. [2023-11-21 18:31:28,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:31:28,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,218 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 18:31:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 458 states and 627 transitions. [2023-11-21 18:31:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 627 transitions. [2023-11-21 18:31:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:31:28,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,482 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 18:31:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 459 states and 628 transitions. [2023-11-21 18:31:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 628 transitions. [2023-11-21 18:31:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:31:28,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,765 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 18:31:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 461 states and 631 transitions. [2023-11-21 18:31:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 631 transitions. [2023-11-21 18:31:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:31:28,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,156 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 18:31:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 467 states and 642 transitions. [2023-11-21 18:31:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 642 transitions. [2023-11-21 18:31:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:31:29,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,858 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 18:31:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 466 states and 641 transitions. [2023-11-21 18:31:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 641 transitions. [2023-11-21 18:31:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:31:30,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,322 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 18:31:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 467 states and 642 transitions. [2023-11-21 18:31:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 642 transitions. [2023-11-21 18:31:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:31:30,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,600 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 18:31:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 470 states and 647 transitions. [2023-11-21 18:31:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 647 transitions. [2023-11-21 18:31:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:31:30,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:31,041 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 18:31:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 474 states and 652 transitions. [2023-11-21 18:31:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 652 transitions. [2023-11-21 18:31:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:31:31,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:31,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:31,685 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 18:31:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 473 states and 651 transitions. [2023-11-21 18:31:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 651 transitions. [2023-11-21 18:31:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:31:32,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:32,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:32,271 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 18:31:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 475 states and 654 transitions. [2023-11-21 18:31:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 654 transitions. [2023-11-21 18:31:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:31:32,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:32,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:33,094 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 18:31:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 479 states and 659 transitions. [2023-11-21 18:31:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 659 transitions. [2023-11-21 18:31:33,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:31:33,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:33,576 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 18:31:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 478 states and 658 transitions. [2023-11-21 18:31:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 658 transitions. [2023-11-21 18:31:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:31:34,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:34,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:34,220 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 18:31:34,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 480 states and 659 transitions. [2023-11-21 18:31:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 659 transitions. [2023-11-21 18:31:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:31:34,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:34,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:34,813 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 18:31:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:34,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 481 states and 660 transitions. [2023-11-21 18:31:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 660 transitions. [2023-11-21 18:31:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:31:34,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:34,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:35,235 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 18:31:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 485 states and 665 transitions. [2023-11-21 18:31:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 665 transitions. [2023-11-21 18:31:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:31:35,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:35,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:35,744 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 18:31:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 486 states and 666 transitions. [2023-11-21 18:31:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 666 transitions. [2023-11-21 18:31:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:31:36,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:36,375 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 18:31:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 487 states and 667 transitions. [2023-11-21 18:31:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 667 transitions. [2023-11-21 18:31:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:31:36,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:36,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:36,685 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 18:31:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 488 states and 668 transitions. [2023-11-21 18:31:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 668 transitions. [2023-11-21 18:31:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:31:36,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:36,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:37,165 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 18:31:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 491 states and 672 transitions. [2023-11-21 18:31:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 672 transitions. [2023-11-21 18:31:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:31:37,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:37,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:37,770 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 18:31:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 495 states and 677 transitions. [2023-11-21 18:31:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 677 transitions. [2023-11-21 18:31:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:31:38,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:38,204 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 18:31:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 496 states and 678 transitions. [2023-11-21 18:31:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 678 transitions. [2023-11-21 18:31:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:31:38,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:38,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:38,436 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 18:31:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 498 states and 681 transitions. [2023-11-21 18:31:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 681 transitions. [2023-11-21 18:31:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:31:38,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:38,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:38,763 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 18:31:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 507 states and 696 transitions. [2023-11-21 18:31:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 696 transitions. [2023-11-21 18:31:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:31:40,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:40,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:40,974 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 18:31:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 506 states and 694 transitions. [2023-11-21 18:31:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 694 transitions. [2023-11-21 18:31:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:31:41,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:41,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:41,429 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 18:31:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 505 states and 693 transitions. [2023-11-21 18:31:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 693 transitions. [2023-11-21 18:31:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:31:41,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:41,885 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 18:31:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 515 states and 708 transitions. [2023-11-21 18:31:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 708 transitions. [2023-11-21 18:31:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:31:43,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:43,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:44,175 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 18:31:44,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 514 states and 707 transitions. [2023-11-21 18:31:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 707 transitions. [2023-11-21 18:31:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:31:44,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:44,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:44,621 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 18:31:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 513 states and 706 transitions. [2023-11-21 18:31:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 706 transitions. [2023-11-21 18:31:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:31:44,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:44,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:44,926 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 18:31:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 512 states and 705 transitions. [2023-11-21 18:31:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 705 transitions. [2023-11-21 18:31:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:31:45,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:45,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:45,610 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 18:31:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 516 states and 710 transitions. [2023-11-21 18:31:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 710 transitions. [2023-11-21 18:31:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:31:45,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:45,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:46,147 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 18:31:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 517 states and 710 transitions. [2023-11-21 18:31:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 710 transitions. [2023-11-21 18:31:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:31:46,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:46,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:46,728 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 18:31:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 521 states and 715 transitions. [2023-11-21 18:31:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 715 transitions. [2023-11-21 18:31:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:31:47,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:47,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:47,649 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 18:31:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 520 states and 714 transitions. [2023-11-21 18:31:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 714 transitions. [2023-11-21 18:31:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:31:47,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:47,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:47,920 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 18:31:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 522 states and 715 transitions. [2023-11-21 18:31:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 715 transitions. [2023-11-21 18:31:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:31:48,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:31:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 521 states and 714 transitions. [2023-11-21 18:31:49,202 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 714 transitions. [2023-11-21 18:31:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:31:49,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:49,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:49,453 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 18:31:49,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 523 states and 715 transitions. [2023-11-21 18:31:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 715 transitions. [2023-11-21 18:31:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:31:49,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:50,614 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 18:31:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 525 states and 720 transitions. [2023-11-21 18:31:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 720 transitions. [2023-11-21 18:31:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:31:50,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:31:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 527 states and 726 transitions. [2023-11-21 18:31:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 726 transitions. [2023-11-21 18:31:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:31:53,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.