./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61db512cc77bff784b3cdbd5d852c5dc364bdc7776dcbb3369c7c75ae1fb315 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:23,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:23,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:23,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:23,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:23,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:23,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:23,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:23,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:23,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:23,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:23,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:23,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:23,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:23,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:23,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:23,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:23,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:23,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:23,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:23,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:23,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:23,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:23,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:23,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:23,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:23,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:23,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:23,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:23,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:23,795 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:23,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:23,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:23,797 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_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61db512cc77bff784b3cdbd5d852c5dc364bdc7776dcbb3369c7c75ae1fb315 [2023-11-19 04:06:24,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:24,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:24,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:24,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:24,178 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:24,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c [2023-11-19 04:06:27,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:27,641 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:27,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c [2023-11-19 04:06:27,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/data/422f268b4/22b600f1a0f848128de9cc538b5b690b/FLAG4f83cec99 [2023-11-19 04:06:27,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/data/422f268b4/22b600f1a0f848128de9cc538b5b690b [2023-11-19 04:06:27,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:27,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:27,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:27,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:27,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:27,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4f5b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27, skipping insertion in model container [2023-11-19 04:06:27,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:27,894 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c[546,559] [2023-11-19 04:06:27,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:27,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:27,936 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c[546,559] [2023-11-19 04:06:27,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:27,966 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:27,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27 WrapperNode [2023-11-19 04:06:27,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:27,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:27,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:27,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:27,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,007 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-19 04:06:28,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:28,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:28,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:28,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:28,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:28,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:28,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:28,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:28,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:28,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:28,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:28,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:28,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff485ee-f277-42b2-832b-5cc034eebec4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:28,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:28,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:28,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:28,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:28,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:28,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:28,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:06:28,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:06:28,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:28,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:28,327 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:28,355 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:28,356 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:06:28,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:28 BoogieIcfgContainer [2023-11-19 04:06:28,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:28,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:28,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:28,373 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:28,373 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:28" (1/1) ... [2023-11-19 04:06:28,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-19 04:06:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-19 04:06:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:06:28,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:28,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:28,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:06:28,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-19 04:06:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-19 04:06:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:06:28,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:28,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:28,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-19 04:06:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-19 04:06:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:29,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:29,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:29,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-19 04:06:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-19 04:06:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:06:29,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:29,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:06:29,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 04:06:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 04:06:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:06:29,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:29,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:29,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:06:29,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:06:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-19 04:06:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 04:06:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:31,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:31,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:06:31,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2023-11-19 04:06:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2023-11-19 04:06:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:33,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:33,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:33,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:06:33,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2023-11-19 04:06:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2023-11-19 04:06:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:06:33,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:33,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:33,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:06:33,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2023-11-19 04:06:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-19 04:06:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:06:35,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:35,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:35,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:06:35,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:06:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 121 transitions. [2023-11-19 04:06:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 121 transitions. [2023-11-19 04:06:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:06:40,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:40,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:40,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:06:40,181 INFO L285 TraceCheckSpWp]: Computing forward predicates...