./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:56,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:56,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:56,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:56,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:56,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:56,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:56,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:56,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:56,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:56,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:56,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:56,596 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:56,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:56,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:56,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:56,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:56,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:56,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:56,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:56,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:56,603 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:56,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:56,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:56,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:56,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:56,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:56,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:56,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:56,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:56,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:56,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:56,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:56,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:56,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:56,614 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_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 [2023-11-23 20:15:56,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:57,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:57,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:57,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:57,024 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:57,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/egcd2-ll.c [2023-11-23 20:16:00,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:00,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:00,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/sv-benchmarks/c/nla-digbench/egcd2-ll.c [2023-11-23 20:16:00,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/data/8fc8a7398/e992cfa599bf47148c954e2af31a760c/FLAGde66d5963 [2023-11-23 20:16:00,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/data/8fc8a7398/e992cfa599bf47148c954e2af31a760c [2023-11-23 20:16:00,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:00,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:00,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:00,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:00,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:00,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609c96d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00, skipping insertion in model container [2023-11-23 20:16:00,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,506 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:00,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:00,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:00,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:00,761 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:00,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00 WrapperNode [2023-11-23 20:16:00,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:00,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:00,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:00,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:00,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,809 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2023-11-23 20:16:00,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:00,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:00,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:00,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:00,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:00,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:00,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:00,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:00,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:00" (1/1) ... [2023-11-23 20:16:00,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:00,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:00,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:00,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d4190-8c8a-4f19-92b2-ac9e189a3596/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:16:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:16:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:16:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:16:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:16:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:16:01,033 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:01,036 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:16:01,613 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:16:01,681 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:16:01,681 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:16:01,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:01 BoogieIcfgContainer [2023-11-23 20:16:01,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:16:01,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:16:01,685 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:16:01,697 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:16:01,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:01" (1/1) ... [2023-11-23 20:16:01,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:16:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 151 states and 162 transitions. [2023-11-23 20:16:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2023-11-23 20:16:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:16:01,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:01,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:01,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:16:01,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 150 states and 161 transitions. [2023-11-23 20:16:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 161 transitions. [2023-11-23 20:16:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:16:02,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:02,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:02,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:16:02,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:16:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 149 states and 160 transitions. [2023-11-23 20:16:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 160 transitions. [2023-11-23 20:16:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:16:02,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:02,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:02,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:16:02,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 148 states and 159 transitions. [2023-11-23 20:16:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2023-11-23 20:16:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:16:02,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:02,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:02,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:02,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:16:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 147 states and 158 transitions. [2023-11-23 20:16:03,037 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2023-11-23 20:16:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:16:03,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:03,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:16:03,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 147 states and 157 transitions. [2023-11-23 20:16:03,110 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-11-23 20:16:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:16:03,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:03,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:03,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:03,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 150 states and 162 transitions. [2023-11-23 20:16:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 162 transitions. [2023-11-23 20:16:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:16:03,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:03,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:03,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:03,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 151 states and 163 transitions. [2023-11-23 20:16:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 163 transitions. [2023-11-23 20:16:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:16:03,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:03,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:03,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:03,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 153 states and 165 transitions. [2023-11-23 20:16:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-11-23 20:16:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:03,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:03,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:03,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 158 states and 173 transitions. [2023-11-23 20:16:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 173 transitions. [2023-11-23 20:16:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:04,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:04,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:05,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 159 states and 174 transitions. [2023-11-23 20:16:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 174 transitions. [2023-11-23 20:16:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:05,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 165 states and 184 transitions. [2023-11-23 20:16:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 184 transitions. [2023-11-23 20:16:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:06,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:06,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:06,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:16:06,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:07,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 171 states and 196 transitions. [2023-11-23 20:16:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 196 transitions. [2023-11-23 20:16:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:07,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:07,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:07,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:07,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 174 states and 201 transitions. [2023-11-23 20:16:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 201 transitions. [2023-11-23 20:16:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:08,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:08,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:16:08,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:10,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 181 states and 215 transitions. [2023-11-23 20:16:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 215 transitions. [2023-11-23 20:16:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:10,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:10,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:10,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:10,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 216 transitions. [2023-11-23 20:16:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 216 transitions. [2023-11-23 20:16:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:16:11,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:11,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:11,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:11,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 234 transitions. [2023-11-23 20:16:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 234 transitions. [2023-11-23 20:16:13,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:16:13,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:13,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:13,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:13,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 201 states and 253 transitions. [2023-11-23 20:16:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 253 transitions. [2023-11-23 20:16:16,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:16:16,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:16,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 202 states and 254 transitions. [2023-11-23 20:16:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 254 transitions. [2023-11-23 20:16:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:16,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:16,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 213 states and 275 transitions. [2023-11-23 20:16:19,244 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 275 transitions. [2023-11-23 20:16:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:19,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:19,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:19,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 222 states and 292 transitions. [2023-11-23 20:16:20,447 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 292 transitions. [2023-11-23 20:16:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:16:20,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:20,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:20,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:20,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:22,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 232 states and 310 transitions. [2023-11-23 20:16:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 310 transitions. [2023-11-23 20:16:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:16:22,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:22,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:22,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:22,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 242 states and 329 transitions. [2023-11-23 20:16:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 329 transitions. [2023-11-23 20:16:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:16:23,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:23,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:23,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:23,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:23,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 243 states and 330 transitions. [2023-11-23 20:16:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 330 transitions. [2023-11-23 20:16:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:16:23,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:23,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:23,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:23,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 246 states and 335 transitions. [2023-11-23 20:16:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 335 transitions. [2023-11-23 20:16:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:24,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:24,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:24,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:24,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 249 states and 339 transitions. [2023-11-23 20:16:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 339 transitions. [2023-11-23 20:16:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:24,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:24,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:24,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:24,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:25,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 250 states and 340 transitions. [2023-11-23 20:16:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 340 transitions. [2023-11-23 20:16:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:25,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:25,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:25,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:25,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 251 states and 341 transitions. [2023-11-23 20:16:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 341 transitions. [2023-11-23 20:16:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:16:25,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:25,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:25,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:25,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 265 states and 363 transitions. [2023-11-23 20:16:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 363 transitions. [2023-11-23 20:16:28,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:16:28,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:28,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:28,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:28,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 266 states and 364 transitions. [2023-11-23 20:16:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 364 transitions. [2023-11-23 20:16:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:16:28,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:28,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:28,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:28,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 282 states and 389 transitions. [2023-11-23 20:16:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 389 transitions. [2023-11-23 20:16:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:16:30,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:31,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:31,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 301 states and 420 transitions. [2023-11-23 20:16:35,452 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 420 transitions. [2023-11-23 20:16:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:16:35,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:35,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:35,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:35,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 304 states and 425 transitions. [2023-11-23 20:16:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 425 transitions. [2023-11-23 20:16:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:16:36,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:36,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:36,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 305 states and 426 transitions. [2023-11-23 20:16:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 426 transitions. [2023-11-23 20:16:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:16:36,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:36,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:36,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:16:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 307 states and 429 transitions. [2023-11-23 20:16:36,349 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 429 transitions. [2023-11-23 20:16:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:16:36,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:36,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:36,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:16:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 308 states and 430 transitions. [2023-11-23 20:16:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 430 transitions. [2023-11-23 20:16:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:16:36,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:36,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:36,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:16:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 333 states and 470 transitions. [2023-11-23 20:16:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 470 transitions. [2023-11-23 20:16:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:16:45,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:45,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:45,213 INFO L285 TraceCheckSpWp]: Computing forward predicates...