./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/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_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:15,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:15,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:00:15,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:15,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:15,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:15,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:15,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:15,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:15,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:15,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:15,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:15,620 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:15,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:15,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:15,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:15,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:15,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:15,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:15,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:15,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:15,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:15,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:15,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:15,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:15,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:15,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:15,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:15,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:15,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:15,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:15,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:15,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:15,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:15,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:15,632 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_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 [2023-11-24 23:00:15,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:15,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:15,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:15,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:15,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:15,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2023-11-24 23:00:18,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:19,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:19,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2023-11-24 23:00:19,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/data/a57daa1b3/f2e8e141729e4b669c8655adb9d672d3/FLAG93b787426 [2023-11-24 23:00:19,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/data/a57daa1b3/f2e8e141729e4b669c8655adb9d672d3 [2023-11-24 23:00:19,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:19,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:19,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:19,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:19,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:19,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6797bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19, skipping insertion in model container [2023-11-24 23:00:19,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:19,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:19,595 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:19,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:19,651 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:19,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19 WrapperNode [2023-11-24 23:00:19,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:19,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:19,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:19,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:19,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,723 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-24 23:00:19,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:19,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:19,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:19,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:19,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:19,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:19,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:19,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:19,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:19,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:19,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:19,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b9bbb3-ec2e-4823-8ba0-c6e76d733d4e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:00:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:00:19,943 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:19,947 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:20,391 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:20,450 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:20,451 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:00:20,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:20 BoogieIcfgContainer [2023-11-24 23:00:20,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:20,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:20,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:20,467 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:20,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:20" (1/1) ... [2023-11-24 23:00:20,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-24 23:00:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-24 23:00:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:00:20,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:20,790 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 23:00:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-24 23:00:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-24 23:00:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:00:20,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:20,935 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 23:00:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2023-11-24 23:00:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2023-11-24 23:00:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:00:20,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:00:21,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:21,110 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 23:00:21,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-24 23:00:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-24 23:00:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:00:21,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:00:21,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:21,320 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 23:00:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-24 23:00:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-24 23:00:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:00:21,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:00:21,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:21,878 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 23:00:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 101 states and 120 transitions. [2023-11-24 23:00:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2023-11-24 23:00:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:00:22,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:22,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:22,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:00:22,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:22,680 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 23:00:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:23,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 109 states and 134 transitions. [2023-11-24 23:00:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2023-11-24 23:00:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:00:23,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:23,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:23,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:00:23,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:23,738 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 23:00:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 150 transitions. [2023-11-24 23:00:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2023-11-24 23:00:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:00:24,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:24,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:24,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:00:24,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:24,996 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 23:00:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 128 states and 167 transitions. [2023-11-24 23:00:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 167 transitions. [2023-11-24 23:00:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:00:26,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:26,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:26,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:00:26,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:26,852 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 23:00:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 139 states and 186 transitions. [2023-11-24 23:00:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-11-24 23:00:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:00:28,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:28,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:28,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:00:28,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:28,842 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 23:00:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 142 states and 192 transitions. [2023-11-24 23:00:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 192 transitions. [2023-11-24 23:00:28,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:00:28,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:28,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:28,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:00:28,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:29,050 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 23:00:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 146 states and 199 transitions. [2023-11-24 23:00:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 199 transitions. [2023-11-24 23:00:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:00:29,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:29,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:29,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:29,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:29,317 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 23:00:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 146 states and 198 transitions. [2023-11-24 23:00:29,333 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 198 transitions. [2023-11-24 23:00:29,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:00:29,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:29,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:29,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:00:29,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:29,574 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 23:00:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 160 states and 245 transitions. [2023-11-24 23:00:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 245 transitions. [2023-11-24 23:00:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:00:31,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:31,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:31,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:00:31,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:31,851 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 23:00:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 165 states and 254 transitions. [2023-11-24 23:00:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2023-11-24 23:00:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:00:33,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:33,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:33,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:00:33,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:33,326 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 23:00:36,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 179 states and 304 transitions. [2023-11-24 23:00:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 304 transitions. [2023-11-24 23:00:36,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:00:36,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:36,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:36,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:00:36,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:36,744 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 23:00:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:41,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 183 states and 310 transitions. [2023-11-24 23:00:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 310 transitions. [2023-11-24 23:00:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:00:41,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:41,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:41,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:00:41,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:41,203 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 23:00:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 184 states and 311 transitions. [2023-11-24 23:00:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 311 transitions. [2023-11-24 23:00:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:00:41,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:41,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:41,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:00:41,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:41,546 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 23:00:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 193 states and 330 transitions. [2023-11-24 23:00:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 330 transitions. [2023-11-24 23:00:44,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:00:44,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:44,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:44,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:00:44,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:44,612 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 23:00:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 203 states and 350 transitions. [2023-11-24 23:00:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 350 transitions. [2023-11-24 23:00:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:00:48,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:48,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:48,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:00:48,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:48,943 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 23:00:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 211 states and 367 transitions. [2023-11-24 23:00:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 367 transitions. [2023-11-24 23:00:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:00:50,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:51,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:00:51,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:51,068 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 23:01:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 220 states and 385 transitions. [2023-11-24 23:01:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 385 transitions. [2023-11-24 23:01:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:01:04,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:04,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:05,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:01:05,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:05,055 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 23:01:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 230 states and 404 transitions. [2023-11-24 23:01:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 404 transitions. [2023-11-24 23:01:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:01:11,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:11,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:11,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:01:11,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:11,441 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 23:01:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 241 states and 424 transitions. [2023-11-24 23:01:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 424 transitions. [2023-11-24 23:01:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:01:18,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.