./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b --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 d04c68f644b4e34369c0299cad48e6ffd2dffe6006909b97954ecd16248ddfba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:14:57,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:14:57,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:14:57,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:14:57,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:14:57,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:14:57,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:14:57,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:14:57,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:14:57,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:14:57,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:14:57,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:14:57,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:14:57,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:14:57,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:14:57,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:14:57,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:14:57,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:14:57,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:14:57,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:14:57,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:14:57,530 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:14:57,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:14:57,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:14:57,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:14:57,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:14:57,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:14:57,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:57,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:14:57,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:14:57,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:14:57,531 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:14:57,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:14:57,531 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_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b 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 -> d04c68f644b4e34369c0299cad48e6ffd2dffe6006909b97954ecd16248ddfba [2024-12-06 03:14:57,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:14:57,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:14:57,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:14:57,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:14:57,805 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:14:57,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c [2024-12-06 03:15:00,554 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/data/0faa6fd3e/c43a8c09c26f40f98c6e8a81cd280ef5/FLAG0b401f2e3 [2024-12-06 03:15:00,739 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:15:00,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c [2024-12-06 03:15:00,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/data/0faa6fd3e/c43a8c09c26f40f98c6e8a81cd280ef5/FLAG0b401f2e3 [2024-12-06 03:15:01,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/data/0faa6fd3e/c43a8c09c26f40f98c6e8a81cd280ef5 [2024-12-06 03:15:01,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:15:01,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:15:01,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:15:01,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:15:01,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:15:01,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fae546c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01, skipping insertion in model container [2024-12-06 03:15:01,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:15:01,279 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_341b64b3-1334-4f8a-8fad-2fed1a901e83/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c[458,471] [2024-12-06 03:15:01,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:15:01,309 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:15:01,319 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_341b64b3-1334-4f8a-8fad-2fed1a901e83/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c[458,471] [2024-12-06 03:15:01,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:15:01,341 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:15:01,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01 WrapperNode [2024-12-06 03:15:01,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:15:01,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:15:01,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:15:01,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:15:01,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,369 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-12-06 03:15:01,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:15:01,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:15:01,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:15:01,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:15:01,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,381 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:15:01,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:15:01,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:15:01,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:15:01,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:15:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:15:01,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:15:01,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:15:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:15:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:15:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:15:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:15:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:15:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:15:01,486 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:15:01,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:15:01,588 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:15:01,589 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:15:01,620 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:15:01,621 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:15:01,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:15:01 BoogieIcfgContainer [2024-12-06 03:15:01,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:15:01,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:15:01,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:15:01,629 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:15:01,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:15:01" (1/1) ... [2024-12-06 03:15:01,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:15:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:01,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 03:15:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 03:15:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:15:01,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:01,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 03:15:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 03:15:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:15:01,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:01,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:01,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:15:01,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 03:15:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 03:15:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:15:02,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:02,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 03:15:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 03:15:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:15:02,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 03:15:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 03:15:02,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:15:02,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:02,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:03,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:15:03,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 03:15:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 03:15:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:15:03,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:03,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:03,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:15:03,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:15:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 03:15:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 03:15:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:15:03,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:03,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:15:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2024-12-06 03:15:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-12-06 03:15:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:15:04,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:15:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:05,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2024-12-06 03:15:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2024-12-06 03:15:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:15:05,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:05,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:05,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:15:05,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:15:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 25 states and 31 transitions. [2024-12-06 03:15:06,459 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 03:15:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:15:06,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:06,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:06,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:15:06,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:15:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 27 states and 35 transitions. [2024-12-06 03:15:08,285 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-12-06 03:15:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:15:08,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:08,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:15:08,323 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:15:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:15:08,347 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-12-06 03:15:08,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:15:08 ImpRootNode [2024-12-06 03:15:08,374 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:15:08,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:15:08,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:15:08,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:15:08,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:15:01" (3/4) ... [2024-12-06 03:15:08,377 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:15:08,418 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 20. [2024-12-06 03:15:08,475 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:15:08,476 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:15:08,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:15:08,477 INFO L158 Benchmark]: Toolchain (without parser) took 7356.65ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 59.0MB in the end (delta: 59.1MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-12-06 03:15:08,477 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:08,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.63ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:15:08,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.06ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:08,478 INFO L158 Benchmark]: Boogie Preprocessor took 17.33ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.7MB in the end (delta: 777.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:08,478 INFO L158 Benchmark]: RCFGBuilder took 233.50ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 92.1MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:15:08,478 INFO L158 Benchmark]: CodeCheck took 6752.60ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 64.6MB in the end (delta: 27.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-12-06 03:15:08,479 INFO L158 Benchmark]: Witness Printer took 100.89ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 59.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:15:08,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 402 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 438 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 405 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1025 IncrementalHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 405 mSolverCounterUnsat, 238 mSDtfsCounter, 1025 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1400 GetRequests, 1227 SyntacticMatches, 27 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8860 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 5 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 60/81 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L22] CALL assume_abort_if_not(k <= 256) [L7] COND FALSE !(!cond) [L22] RET assume_abort_if_not(k <= 256) [L24] y = 0 [L25] x = 0 [L26] c = 0 VAL [c=0, counter=0, k=4, x=0, y=0] [L28] EXPR counter++ VAL [c=0, counter=1, k=4, x=0, y=0] [L28] COND TRUE counter++<2 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=0, counter=1, k=4, x=0, y=0] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=1, counter=1, k=4, x=1, y=1] [L28] EXPR counter++ VAL [c=1, counter=2, k=4, x=1, y=1] [L28] COND TRUE counter++<2 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=1, counter=2, k=4, x=1, y=1] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=2, counter=2, k=4, x=33, y=2] [L28] EXPR counter++ VAL [c=2, counter=3, k=4, x=33, y=2] [L28] COND FALSE !(counter++<2) [L39] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L39] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=2, counter=3, k=4, x=33, y=2] [L40] CALL __VERIFIER_assert(k*y == y*y) VAL [\old(cond)=0, counter=3] [L10] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L12] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.63ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.06ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.33ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.7MB in the end (delta: 777.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 233.50ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 92.1MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6752.60ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 64.6MB in the end (delta: 27.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Witness Printer took 100.89ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 59.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:15:08,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341b64b3-1334-4f8a-8fad-2fed1a901e83/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE