./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm --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 1ed18464d9ce97d1cc1f49d30a31556076037dce4eff04ef8ec5de65e115e002 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:23:01,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:23:01,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:23:01,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:23:01,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:23:01,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:23:01,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:23:01,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:23:01,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:23:01,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:23:01,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:23:01,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:23:01,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:23:01,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:23:01,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:23:01,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:23:01,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:23:01,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:23:01,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:23:01,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:23:01,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:23:01,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:23:01,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:23:01,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:23:01,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:23:01,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:23:01,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:23:01,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:01,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:23:01,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:23:01,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:23:01,596 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:23:01,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:23:01,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm 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 -> 1ed18464d9ce97d1cc1f49d30a31556076037dce4eff04ef8ec5de65e115e002 [2024-11-13 20:23:02,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:23:02,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:23:02,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:23:02,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:23:02,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:23:02,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i Unable to find full path for "g++" [2024-11-13 20:23:04,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:04,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:04,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i [2024-11-13 20:23:04,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/data/44969dc98/f9372f6745654325899190989a86b0f6/FLAG49bfbc27b [2024-11-13 20:23:04,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/data/44969dc98/f9372f6745654325899190989a86b0f6 [2024-11-13 20:23:04,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:04,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:04,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:04,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:04,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:04,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:04" (1/1) ... [2024-11-13 20:23:04,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4456768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:04, skipping insertion in model container [2024-11-13 20:23:04,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:04" (1/1) ... [2024-11-13 20:23:05,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:05,235 WARN L250 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_185bf466-143a-4b7b-a11d-ea8e59be8f31/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i[917,930] [2024-11-13 20:23:05,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:05,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:05,392 WARN L250 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_185bf466-143a-4b7b-a11d-ea8e59be8f31/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i[917,930] [2024-11-13 20:23:05,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:05,455 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:05,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05 WrapperNode [2024-11-13 20:23:05,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:05,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:05,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:05,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:05,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,519 INFO L138 Inliner]: procedures = 26, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2024-11-13 20:23:05,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:05,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:05,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:05,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:05,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:05,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:05,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:05,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:05,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:05" (1/1) ... [2024-11-13 20:23:05,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:05,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:05,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:05,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185bf466-143a-4b7b-a11d-ea8e59be8f31/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:23:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:23:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:23:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:23:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:23:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:23:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:05,807 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:05,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:06,554 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:06,557 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:07,299 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:07,300 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:23:07,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:07 BoogieIcfgContainer [2024-11-13 20:23:07,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:07,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:07,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:07,363 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:07,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:07" (1/1) ... [2024-11-13 20:23:07,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2024-11-13 20:23:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-11-13 20:23:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 20:23:07,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:07,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 37 proven. 33 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-13 20:24:10,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 20:24:11,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 20:24:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 78 states and 126 transitions. [2024-11-13 20:24:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 20:24:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-13 20:24:11,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 108 proven. 93 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2024-11-13 20:27:21,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 20:27:23,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 20:27:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 150 states and 269 transitions. [2024-11-13 20:27:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 269 transitions. [2024-11-13 20:27:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 20:27:24,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2659 backedges. 48 proven. 108 refuted. 0 times theorem prover too weak. 2503 trivial. 0 not checked. [2024-11-13 20:29:51,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 20:31:18,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 20:31:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 215 states and 404 transitions. [2024-11-13 20:31:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 404 transitions. [2024-11-13 20:31:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 20:31:18,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:18,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:10,041 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:33:51,841 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:33:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2659 backedges. 123 proven. 123 refuted. 0 times theorem prover too weak. 2413 trivial. 0 not checked.