./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9 --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 4030584521f36b8dc597e2fe097d1241b197ec784cb344ca35f6903bd5f84f17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:31:37,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:31:37,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:31:37,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:31:37,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:31:37,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:31:37,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:31:37,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:31:37,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:31:37,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:31:37,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:31:37,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:31:37,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:31:37,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:31:37,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:31:37,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:31:37,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:31:37,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:31:37,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:31:37,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:31:37,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:31:37,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:31:37,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:31:37,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:31:37,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:31:37,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:31:37,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:31:37,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:31:37,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:31:37,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:31:37,469 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:31:37,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:31:37,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:31:37,469 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_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4030584521f36b8dc597e2fe097d1241b197ec784cb344ca35f6903bd5f84f17 [2023-12-03 00:31:37,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:31:37,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:31:37,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:31:37,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:31:37,708 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:31:37,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c [2023-12-03 00:31:40,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:31:40,651 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:31:40,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c [2023-12-03 00:31:40,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/data/b2a2f27d0/40e1b421bac24b76a41715ae77786555/FLAG23dd51206 [2023-12-03 00:31:40,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/data/b2a2f27d0/40e1b421bac24b76a41715ae77786555 [2023-12-03 00:31:40,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:31:40,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:31:40,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:40,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:31:40,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:31:40,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79356775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40, skipping insertion in model container [2023-12-03 00:31:40,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:31:40,826 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_7ce960b5-6728-410e-ba9a-610683270d04/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c[535,548] [2023-12-03 00:31:40,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:40,855 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:31:40,868 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_7ce960b5-6728-410e-ba9a-610683270d04/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c[535,548] [2023-12-03 00:31:40,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:40,892 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:31:40,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40 WrapperNode [2023-12-03 00:31:40,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:40,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:40,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:31:40,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:31:40,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,929 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-12-03 00:31:40,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:40,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:31:40,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:31:40,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:31:40,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:31:40,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:31:40,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:31:40,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:31:40,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:40" (1/1) ... [2023-12-03 00:31:40,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:31:40,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:31:40,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:31:40,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce960b5-6728-410e-ba9a-610683270d04/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:31:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:31:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:31:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:31:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:31:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:31:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:31:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:31:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:31:41,088 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:31:41,091 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:31:41,247 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:31:41,276 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:31:41,276 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 00:31:41,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:41 BoogieIcfgContainer [2023-12-03 00:31:41,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:31:41,279 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:31:41,279 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:31:41,287 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:31:41,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:41" (1/1) ... [2023-12-03 00:31:41,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:31:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-12-03 00:31:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-12-03 00:31:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:31:41,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:41,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:41,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:31:41,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:31:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-03 00:31:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-03 00:31:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:31:41,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:41,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:31:41,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:31:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-12-03 00:31:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-12-03 00:31:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:31:41,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:41,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:31:41,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:31:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2023-12-03 00:31:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-12-03 00:31:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:31:42,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:42,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:42,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:31:42,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:31:45,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:31:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2023-12-03 00:31:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-12-03 00:31:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:31:46,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:46,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:46,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:31:46,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:31:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2023-12-03 00:31:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2023-12-03 00:31:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:31:46,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:46,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:46,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:32:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2023-12-03 00:32:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-12-03 00:32:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:32:07,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:07,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:07,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:32:07,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:32:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:07,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2023-12-03 00:32:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2023-12-03 00:32:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:32:07,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:07,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:07,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:32:07,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:32:24,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 61 states and 113 transitions. [2023-12-03 00:32:24,829 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2023-12-03 00:32:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:32:24,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:24,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:24,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:32:24,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:32:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2023-12-03 00:32:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-12-03 00:32:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:32:31,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:31,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:31,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:32:31,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:33:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2023-12-03 00:33:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2023-12-03 00:33:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:33:09,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:09,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:09,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:33:09,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:20,446 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:33:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 00:33:49,649 WARN L293 SmtUtils]: Spent 20.37s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:33:59,827 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:34:20,143 WARN L293 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:34:40,824 WARN L293 SmtUtils]: Spent 20.59s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:34:57,612 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:35:08,295 WARN L293 SmtUtils]: Spent 10.23s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:35:28,909 WARN L293 SmtUtils]: Spent 20.47s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:35:49,399 WARN L293 SmtUtils]: Spent 20.42s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:36:00,804 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:36:11,115 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:36:31,967 WARN L293 SmtUtils]: Spent 20.29s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:36:52,696 WARN L293 SmtUtils]: Spent 20.67s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:37:05,153 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:37:15,425 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:37:36,043 WARN L293 SmtUtils]: Spent 20.29s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:37:56,508 WARN L293 SmtUtils]: Spent 20.22s on a formula simplification. DAG size of input: 35 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:38:11,019 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:38:21,202 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:38:41,486 WARN L293 SmtUtils]: Spent 20.13s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:39:02,160 WARN L293 SmtUtils]: Spent 20.61s on a formula simplification. DAG size of input: 35 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:39:17,578 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:39:27,955 WARN L293 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:39:49,085 WARN L293 SmtUtils]: Spent 20.13s on a formula simplification. DAG size of input: 31 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:40:09,436 WARN L293 SmtUtils]: Spent 20.26s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:40:21,647 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:40:31,853 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:40:41,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:40:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 80 states and 167 transitions. [2023-12-03 00:40:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 167 transitions. [2023-12-03 00:40:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:40:46,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:46,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:46,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:40:46,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:40:56,796 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:41:07,803 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:41:18,579 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:41:30,332 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:41:40,451 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:41:50,972 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:42:03,540 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:42:18,397 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:42:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 88 states and 195 transitions. [2023-12-03 00:42:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 195 transitions. [2023-12-03 00:42:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:42:30,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:30,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:30,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:42:30,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:42:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 90 states and 197 transitions. [2023-12-03 00:42:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 197 transitions. [2023-12-03 00:42:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:42:32,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:32,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:32,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:42:32,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:42:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 92 states and 204 transitions. [2023-12-03 00:42:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 204 transitions. [2023-12-03 00:42:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:42:45,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:45,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:45,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:42:45,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:43:07,844 WARN L293 SmtUtils]: Spent 21.19s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:43:18,631 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:43:42,076 WARN L293 SmtUtils]: Spent 20.22s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:43:52,837 WARN L293 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:44:17,176 WARN L293 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:44:27,614 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:44:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:27,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 209 transitions. [2023-12-03 00:44:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2023-12-03 00:44:27,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:44:27,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:27,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:27,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 00:44:27,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:41,415 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:44:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-03 00:45:12,081 WARN L293 SmtUtils]: Spent 20.24s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:45:32,933 WARN L293 SmtUtils]: Spent 20.25s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:45:43,887 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:45:54,703 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:46:15,837 WARN L293 SmtUtils]: Spent 20.23s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:46:36,477 WARN L293 SmtUtils]: Spent 20.51s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:46:52,311 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:47:02,554 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:47:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 98 states and 213 transitions. [2023-12-03 00:47:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 213 transitions. [2023-12-03 00:47:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:47:03,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:03,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:03,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:47:03,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.