./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_const_m2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_const_m2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06c952a07d861e134050c8036ebe12899287d1c68b93fe51209b5cc562011a68 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:58,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:58,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:56:58,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:58,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:58,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:58,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:58,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:58,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:58,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:58,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:58,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:58,418 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:58,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:58,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:58,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:58,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:58,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:58,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:58,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:58,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:58,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:58,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:58,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:58,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:58,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:58,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:58,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:58,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:58,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:58,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:58,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:58,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:58,429 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_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06c952a07d861e134050c8036ebe12899287d1c68b93fe51209b5cc562011a68 [2023-11-19 02:56:58,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:58,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:58,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:58,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:58,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:58,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-crafted/zero_sum_const_m2.c [2023-11-19 02:57:01,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:02,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:02,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/sv-benchmarks/c/array-crafted/zero_sum_const_m2.c [2023-11-19 02:57:02,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/data/2cb9d9d3b/df6648f69feb4fa5bb544cc6ed5748df/FLAG2cb8abe82 [2023-11-19 02:57:02,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/data/2cb9d9d3b/df6648f69feb4fa5bb544cc6ed5748df [2023-11-19 02:57:02,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:02,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:02,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:02,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:02,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:02,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ab1d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02, skipping insertion in model container [2023-11-19 02:57:02,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:02,343 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/sv-benchmarks/c/array-crafted/zero_sum_const_m2.c[408,421] [2023-11-19 02:57:02,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:02,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:02,440 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/sv-benchmarks/c/array-crafted/zero_sum_const_m2.c[408,421] [2023-11-19 02:57:02,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:02,463 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:02,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02 WrapperNode [2023-11-19 02:57:02,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:02,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:02,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:02,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:02,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,499 INFO L138 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-19 02:57:02,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:02,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:02,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:02,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:02,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:02,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:02,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:02,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:02,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:02,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:02,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:02,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad39834f-11e1-4440-8ae5-6409555af3cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:57:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:57:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:57:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:57:02,674 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:02,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:02,851 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:02,902 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:02,902 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:57:02,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:02 BoogieIcfgContainer [2023-11-19 02:57:02,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:02,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:02,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:02,931 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:02,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-19 02:57:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-19 02:57:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:57:02,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-19 02:57:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-19 02:57:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:57:03,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:03,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:57:03,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-19 02:57:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-19 02:57:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:57:03,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:57:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-19 02:57:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-19 02:57:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:57:03,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:03,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:57:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-11-19 02:57:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-11-19 02:57:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:57:03,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:03,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:57:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2023-11-19 02:57:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2023-11-19 02:57:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:57:04,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:04,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:57:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-19 02:57:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-19 02:57:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:57:04,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:04,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:57:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 02:57:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 02:57:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:57:04,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:04,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:04,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2023-11-19 02:57:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2023-11-19 02:57:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:57:04,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:04,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:57:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:04,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 02:57:04,707 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 02:57:04,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:57:04,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:04,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:04,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-19 02:57:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-19 02:57:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:57:04,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2023-11-19 02:57:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2023-11-19 02:57:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:10,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:10,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:10,428 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:57:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2023-11-19 02:57:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2023-11-19 02:57:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:11,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:12,195 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:57:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2023-11-19 02:57:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2023-11-19 02:57:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:13,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:13,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:57:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 89 transitions. [2023-11-19 02:57:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2023-11-19 02:57:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:14,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:57:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2023-11-19 02:57:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2023-11-19 02:57:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:16,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:16,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:57:17,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 103 transitions. [2023-11-19 02:57:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2023-11-19 02:57:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:57:17,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:17,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2023-11-19 02:57:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2023-11-19 02:57:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:57:19,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:19,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:57:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2023-11-19 02:57:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2023-11-19 02:57:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:57:22,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:22,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 02:57:22,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2023-11-19 02:57:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2023-11-19 02:57:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:57:22,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:22,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:57:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 58 states and 102 transitions. [2023-11-19 02:57:23,259 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2023-11-19 02:57:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:57:23,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:23,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:57:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 100 transitions. [2023-11-19 02:57:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2023-11-19 02:57:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:57:24,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:24,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 66 states and 120 transitions. [2023-11-19 02:57:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 120 transitions. [2023-11-19 02:57:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:57:37,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:37,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 77 states and 157 transitions. [2023-11-19 02:57:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 157 transitions. [2023-11-19 02:57:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:57:45,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:45,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 78 states and 157 transitions. [2023-11-19 02:57:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 157 transitions. [2023-11-19 02:57:48,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:57:48,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:48,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.