./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk --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 028e685e2884f4921a1d3a5f17273c125157e1c3b8bccd76f295d2a14fe44019 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:47:23,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:47:23,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:47:23,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:47:23,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:47:23,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:47:23,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:47:23,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:47:23,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:47:23,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:47:23,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:47:23,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:47:23,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:47:23,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:47:23,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:47:23,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:47:23,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:47:23,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:47:23,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:47:23,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:47:23,187 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:47:23,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:47:23,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:47:23,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:47:23,189 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:47:23,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:47:23,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:47:23,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:23,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:47:23,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:47:23,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:47:23,192 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:47:23,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:47:23,193 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_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 028e685e2884f4921a1d3a5f17273c125157e1c3b8bccd76f295d2a14fe44019 [2024-11-08 22:47:23,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:47:23,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:47:23,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:47:23,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:47:23,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:47:23,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound1.c Unable to find full path for "g++" [2024-11-08 22:47:25,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:47:25,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:47:25,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound1.c [2024-11-08 22:47:25,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/data/3953ca73d/a59d4a2efdfa41f8a972e9ca6cf7d140/FLAG7ff1ba95e [2024-11-08 22:47:26,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/data/3953ca73d/a59d4a2efdfa41f8a972e9ca6cf7d140 [2024-11-08 22:47:26,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:47:26,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:47:26,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:26,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:47:26,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:47:26,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211bf411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26, skipping insertion in model container [2024-11-08 22:47:26,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:47:26,554 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_82248204-ed19-4db5-be6b-80d8f22a36b4/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound1.c[537,550] [2024-11-08 22:47:26,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:26,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:47:26,596 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_82248204-ed19-4db5-be6b-80d8f22a36b4/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound1.c[537,550] [2024-11-08 22:47:26,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:26,620 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:47:26,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26 WrapperNode [2024-11-08 22:47:26,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:26,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:26,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:47:26,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:47:26,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,662 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-08 22:47:26,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:26,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:47:26,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:47:26,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:47:26,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:47:26,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:47:26,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:47:26,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:47:26,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:26" (1/1) ... [2024-11-08 22:47:26,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:26,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:47:26,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:47:26,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:47:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:47:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:47:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:47:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:47:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:47:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:47:26,821 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:47:26,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:47:27,021 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:47:27,021 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:47:27,072 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:47:27,073 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:47:27,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:27 BoogieIcfgContainer [2024-11-08 22:47:27,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:47:27,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:47:27,074 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:47:27,086 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:47:27,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:27" (1/1) ... [2024-11-08 22:47:27,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:47:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-08 22:47:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-08 22:47:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:47:27,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:27,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:27,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-08 22:47:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-08 22:47:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:47:27,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-08 22:47:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-08 22:47:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:47:27,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:27,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-08 22:47:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-08 22:47:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:47:28,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:28,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-08 22:47:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-08 22:47:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:47:28,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:47:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:28,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:28,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:47:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-08 22:47:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-08 22:47:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:47:29,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:47:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:47:30,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:47:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2024-11-08 22:47:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2024-11-08 22:47:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:47:31,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:31,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:47:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 96 transitions. [2024-11-08 22:47:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2024-11-08 22:47:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:47:32,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:32,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:47:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2024-11-08 22:47:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2024-11-08 22:47:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:47:33,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:33,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:47:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:33,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:47:33,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 22:47:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 55 states and 104 transitions. [2024-11-08 22:47:33,993 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2024-11-08 22:47:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:47:33,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:47:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2024-11-08 22:47:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2024-11-08 22:47:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:47:34,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:47:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2024-11-08 22:47:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2024-11-08 22:47:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:36,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:36,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:47:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:36,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:36,983 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-08 22:47:37,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:47:37 ImpRootNode [2024-11-08 22:47:37,042 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:47:37,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:47:37,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:47:37,043 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:47:37,045 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:27" (3/4) ... [2024-11-08 22:47:37,064 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:47:37,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:47:37,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:47:37,145 INFO L158 Benchmark]: Toolchain (without parser) took 10794.44ms. Allocated memory was 157.3MB in the beginning and 247.5MB in the end (delta: 90.2MB). Free memory was 119.1MB in the beginning and 210.9MB in the end (delta: -91.8MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. [2024-11-08 22:47:37,146 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 157.3MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:37,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.30ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 106.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:47:37,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.63ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:37,147 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 985.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:37,147 INFO L158 Benchmark]: RCFGBuilder took 385.67ms. Allocated memory is still 157.3MB. Free memory was 102.9MB in the beginning and 88.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:47:37,148 INFO L158 Benchmark]: CodeCheck took 9967.75ms. Allocated memory was 157.3MB in the beginning and 247.5MB in the end (delta: 90.2MB). Free memory was 88.7MB in the beginning and 71.7MB in the end (delta: 17.1MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2024-11-08 22:47:37,152 INFO L158 Benchmark]: Witness Printer took 102.43ms. Allocated memory is still 247.5MB. Free memory was 71.7MB in the beginning and 210.9MB in the end (delta: -139.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-08 22:47:37,154 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 690 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 725 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 223 mSDsCounter, 351 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1213 IncrementalHoareTripleChecker+Invalid, 1564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 351 mSolverCounterUnsat, 502 mSDtfsCounter, 1213 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1989 GetRequests, 1824 SyntacticMatches, 23 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8390 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 634 SizeOfPredicates, 5 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 136/138 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int A, B; [L25] unsigned int r, d, p, q; [L26] A = __VERIFIER_nondet_uint() [L27] B = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(B >= 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=-4294967295, B=1, counter=0, d=1, p=1, q=0, r=-4294967295] [L35] EXPR counter++ VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L35] COND TRUE counter++<1 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(q == 0) VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(r == A) VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L39] COND FALSE !(!(r >= d)) [L41] d = 2 * d [L42] p = 2 * p VAL [A=-4294967295, B=1, counter=1, d=2, p=2, q=0, r=-4294967295] [L35] EXPR counter++ VAL [A=-4294967295, B=1, counter=2, d=2, p=2, q=0, r=-4294967295] [L35] COND FALSE !(counter++<1) [L45] EXPR counter++ VAL [A=-4294967295, B=1, counter=3, d=2, p=2, q=0, r=-4294967295] [L45] COND FALSE !(counter++<1) [L59] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L59] RET __VERIFIER_assert(A == d*q + r) VAL [A=-4294967295, B=1, counter=3, d=2, p=2, q=0, r=-4294967295] [L60] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 157.3MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.30ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 106.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.63ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 985.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 385.67ms. Allocated memory is still 157.3MB. Free memory was 102.9MB in the beginning and 88.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 9967.75ms. Allocated memory was 157.3MB in the beginning and 247.5MB in the end (delta: 90.2MB). Free memory was 88.7MB in the beginning and 71.7MB in the end (delta: 17.1MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. * Witness Printer took 102.43ms. Allocated memory is still 247.5MB. Free memory was 71.7MB in the beginning and 210.9MB in the end (delta: -139.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:47:37,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82248204-ed19-4db5-be6b-80d8f22a36b4/bin/ukojak-verify-ImItNfHLgk/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