./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:19,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:19,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:57:19,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:19,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:19,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:19,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:19,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:19,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:19,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:19,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:19,219 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:57:19,219 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:57:19,220 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:57:19,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:19,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:19,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:19,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:19,223 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:19,223 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:19,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:19,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:19,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:19,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:19,227 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:19,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:19,228 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_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f [2023-11-24 22:57:19,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:19,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:19,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:19,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:19,601 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:19,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2023-11-24 22:57:22,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:23,287 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:23,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2023-11-24 22:57:23,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/data/3bffcd1c6/f3341d5614af493daa2e193e615f2843/FLAGf794d9e3a [2023-11-24 22:57:23,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/data/3bffcd1c6/f3341d5614af493daa2e193e615f2843 [2023-11-24 22:57:23,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:23,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:23,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:23,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:23,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:23,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfc5a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23, skipping insertion in model container [2023-11-24 22:57:23,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:24,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:24,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:25,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:25,330 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:25,330 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:25,339 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:25,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25 WrapperNode [2023-11-24 22:57:25,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:25,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:25,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:25,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:25,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,520 INFO L138 Inliner]: procedures = 615, calls = 250, calls flagged for inlining = 44, calls inlined = 69, statements flattened = 1611 [2023-11-24 22:57:25,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:25,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:25,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:25,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:25,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:25,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:25,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:25,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:25,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:25,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:25,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:25,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb20c7-922a-43f2-be8f-f4fd4f8637cd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-24 22:57:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:57:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:57:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:57:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:57:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:57:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:57:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:57:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:57:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:57:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:57:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:26,246 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:26,249 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:28,853 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:29,318 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:29,318 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-24 22:57:29,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:29 BoogieIcfgContainer [2023-11-24 22:57:29,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:29,321 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:29,321 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:29,330 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:29,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:29" (1/1) ... [2023-11-24 22:57:29,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 889 states and 1004 transitions. [2023-11-24 22:57:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1004 transitions. [2023-11-24 22:57:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:57:29,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 888 states and 1003 transitions. [2023-11-24 22:57:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1003 transitions. [2023-11-24 22:57:29,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:57:29,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 887 states and 1002 transitions. [2023-11-24 22:57:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1002 transitions. [2023-11-24 22:57:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:57:30,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 888 states and 1004 transitions. [2023-11-24 22:57:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1004 transitions. [2023-11-24 22:57:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:57:30,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 889 states and 1006 transitions. [2023-11-24 22:57:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1006 transitions. [2023-11-24 22:57:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:57:30,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 891 states and 1008 transitions. [2023-11-24 22:57:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1008 transitions. [2023-11-24 22:57:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:31,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:31,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 892 states and 1011 transitions. [2023-11-24 22:57:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1011 transitions. [2023-11-24 22:57:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:31,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:31,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:31,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 892 states and 1010 transitions. [2023-11-24 22:57:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1010 transitions. [2023-11-24 22:57:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:31,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:31,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 894 states and 1013 transitions. [2023-11-24 22:57:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1013 transitions. [2023-11-24 22:57:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:32,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:32,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 896 states and 1018 transitions. [2023-11-24 22:57:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1018 transitions. [2023-11-24 22:57:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:32,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:57:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 896 states and 1017 transitions. [2023-11-24 22:57:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1017 transitions. [2023-11-24 22:57:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:33,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:33,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 897 states and 1017 transitions. [2023-11-24 22:57:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1017 transitions. [2023-11-24 22:57:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:33,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:33,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 899 states and 1022 transitions. [2023-11-24 22:57:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1022 transitions. [2023-11-24 22:57:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:34,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:34,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:57:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 899 states and 1021 transitions. [2023-11-24 22:57:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1021 transitions. [2023-11-24 22:57:34,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:34,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 900 states and 1021 transitions. [2023-11-24 22:57:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1021 transitions. [2023-11-24 22:57:35,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:57:35,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:35,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 902 states and 1026 transitions. [2023-11-24 22:57:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1026 transitions. [2023-11-24 22:57:35,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:57:35,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:35,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:57:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 902 states and 1025 transitions. [2023-11-24 22:57:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1025 transitions. [2023-11-24 22:57:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:57:36,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 903 states and 1025 transitions. [2023-11-24 22:57:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1025 transitions. [2023-11-24 22:57:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:37,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:37,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:57:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 906 states and 1033 transitions. [2023-11-24 22:57:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1033 transitions. [2023-11-24 22:57:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:41,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 908 states and 1038 transitions. [2023-11-24 22:57:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1038 transitions. [2023-11-24 22:57:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:42,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:57:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 908 states and 1037 transitions. [2023-11-24 22:57:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1037 transitions. [2023-11-24 22:57:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:42,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:43,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 909 states and 1037 transitions. [2023-11-24 22:57:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1037 transitions. [2023-11-24 22:57:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:43,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:43,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 911 states and 1042 transitions. [2023-11-24 22:57:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1042 transitions. [2023-11-24 22:57:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:44,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:44,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:57:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 911 states and 1041 transitions. [2023-11-24 22:57:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1041 transitions. [2023-11-24 22:57:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:45,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:45,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 913 states and 1047 transitions. [2023-11-24 22:57:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1047 transitions. [2023-11-24 22:57:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:48,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:48,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 915 states and 1054 transitions. [2023-11-24 22:57:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1054 transitions. [2023-11-24 22:57:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:50,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:50,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 917 states and 1062 transitions. [2023-11-24 22:57:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1062 transitions. [2023-11-24 22:57:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:51,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:51,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 917 states and 1061 transitions. [2023-11-24 22:57:52,220 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1061 transitions. [2023-11-24 22:57:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:52,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 919 states and 1064 transitions. [2023-11-24 22:57:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1064 transitions. [2023-11-24 22:57:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:54,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 921 states and 1068 transitions. [2023-11-24 22:57:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1068 transitions. [2023-11-24 22:57:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:56,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:56,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:57,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 923 states and 1076 transitions. [2023-11-24 22:57:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1076 transitions. [2023-11-24 22:57:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:57,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:57,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 925 states and 1084 transitions. [2023-11-24 22:57:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1084 transitions. [2023-11-24 22:57:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:59,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:59,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 927 states and 1085 transitions. [2023-11-24 22:58:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1085 transitions. [2023-11-24 22:58:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:58:01,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:58:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 927 states and 1084 transitions. [2023-11-24 22:58:01,960 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1084 transitions. [2023-11-24 22:58:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:58:01,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:01,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 929 states and 1088 transitions. [2023-11-24 22:58:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1088 transitions. [2023-11-24 22:58:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:58:03,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:58:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 929 states and 1087 transitions. [2023-11-24 22:58:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1087 transitions. [2023-11-24 22:58:04,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:58:04,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:05,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 903 states and 1017 transitions. [2023-11-24 22:58:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1017 transitions. [2023-11-24 22:58:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:58:05,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:05,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.