./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i --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_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3 --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 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:47:51,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:47:51,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:47:51,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:47:51,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:47:51,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:47:51,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:47:51,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:47:51,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:47:51,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:47:51,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:47:51,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:47:51,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:47:51,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:47:51,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:47:51,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:47:51,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:47:51,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:47:51,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:47:51,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:47:51,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:47:51,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:47:51,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:47:51,751 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:47:51,751 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:47:51,751 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:47:51,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:47:51,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:51,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:47:51,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:47:51,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:47:51,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:47:51,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:47:51,753 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_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 [2024-11-25 03:47:52,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:47:52,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:47:52,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:47:52,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:47:52,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:47:52,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2024-11-25 03:47:55,080 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/99e760a2f/a4c02b3285274e00a5a42465f279df41/FLAG40de0603f [2024-11-25 03:47:55,414 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:47:55,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2024-11-25 03:47:55,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/99e760a2f/a4c02b3285274e00a5a42465f279df41/FLAG40de0603f [2024-11-25 03:47:55,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/99e760a2f/a4c02b3285274e00a5a42465f279df41 [2024-11-25 03:47:55,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:47:55,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:47:55,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:55,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:47:55,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:47:55,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:55" (1/1) ... [2024-11-25 03:47:55,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:55, skipping insertion in model container [2024-11-25 03:47:55,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:55" (1/1) ... [2024-11-25 03:47:55,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:47:55,918 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_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-25 03:47:55,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:55,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:47:55,987 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_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-25 03:47:56,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:56,031 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:47:56,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56 WrapperNode [2024-11-25 03:47:56,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:56,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:56,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:47:56,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:47:56,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,077 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-25 03:47:56,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:56,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:47:56,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:47:56,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:47:56,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:47:56,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:47:56,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:47:56,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:47:56,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:56,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:47:56,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:47:56,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:47:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:47:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:47:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:47:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:47:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:47:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:47:56,261 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:47:56,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:47:56,577 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 03:47:56,577 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:47:56,788 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:47:56,789 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:47:56,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:56 BoogieIcfgContainer [2024-11-25 03:47:56,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:47:56,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:47:56,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:47:56,801 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:47:56,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:56,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:47:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:47:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-25 03:47:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-25 03:47:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:47:56,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:47:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:47:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:57,108 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:57,420 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:57,515 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:47:57,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:47:57 ImpRootNode [2024-11-25 03:47:57,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:47:57,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:47:57,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:47:57,570 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:47:57,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:56" (3/4) ... [2024-11-25 03:47:57,573 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:47:57,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:47:57,575 INFO L158 Benchmark]: Toolchain (without parser) took 1892.74ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 73.9MB in the end (delta: 20.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-25 03:47:57,575 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:57,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.83ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 81.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:47:57,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.69ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:57,577 INFO L158 Benchmark]: Boogie Preprocessor took 28.53ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:47:57,577 INFO L158 Benchmark]: RCFGBuilder took 682.45ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 54.5MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:47:57,578 INFO L158 Benchmark]: CodeCheck took 777.51ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 74.5MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:57,578 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.9MB in the end (delta: 606.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:47:57,581 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = 5; [L26] unsigned short int var_1_8 = 2; [L27] unsigned char var_1_11 = 0; [L28] double var_1_12 = 8.5; [L29] double var_1_13 = 999999999.6; [L30] signed long int var_1_14 = 10; [L31] signed char var_1_15 = -1; [L32] unsigned char var_1_16 = 16; [L33] unsigned char var_1_17 = 64; [L34] signed char last_1_var_1_1 = -16; [L99] isInitial = 1 [L100] FCALL initially() [L102] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L69] var_1_5 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L72] var_1_6 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L74] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L80] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L81] var_1_13 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L83] var_1_15 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L85] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L86] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L87] var_1_17 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L89] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=0, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=0, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L103] RET updateVariables() [L104] CALL step() [L38] COND TRUE var_1_5 && (last_1_var_1_1 <= last_1_var_1_1) [L39] var_1_16 = var_1_17 [L41] var_1_12 = (var_1_13 - 8.3) [L42] unsigned char stepLocal_1 = var_1_13 >= var_1_12; [L43] COND FALSE !(var_1_5 && stepLocal_1) [L46] var_1_14 = var_1_15 [L48] COND TRUE \read(var_1_5) [L49] var_1_8 = (var_1_16 + var_1_16) [L57] unsigned long int stepLocal_0 = (var_1_8 & 0u) * var_1_16; [L58] COND FALSE !(stepLocal_0 > var_1_8) [L65] var_1_1 = var_1_6 [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((((var_1_8 & 0u) * var_1_16) > var_1_8) ? (var_1_5 ? (var_1_1 == ((signed char) ((16 + var_1_6) + var_1_7))) : (var_1_1 == ((signed char) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_6))) && (var_1_5 ? (var_1_8 == ((unsigned short int) (var_1_16 + var_1_16))) : (((var_1_16 > var_1_14) || var_1_11) ? (var_1_8 == ((unsigned short int) var_1_16)) : (var_1_8 == ((unsigned short int) var_1_16))))) && (var_1_12 == ((double) (var_1_13 - 8.3)))) && ((var_1_5 && (var_1_13 >= var_1_12)) ? (var_1_14 == ((signed long int) var_1_16)) : (var_1_14 == ((signed long int) var_1_15)))) && ((var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) ? (var_1_16 == ((unsigned char) var_1_17)) : 1) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=-1, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=-1, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.83ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 81.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.69ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.53ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 682.45ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 54.5MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 777.51ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 74.5MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.9MB in the end (delta: 606.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:47:57,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3 --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 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:48:00,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:48:00,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:48:00,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:48:00,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:48:00,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:48:00,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:48:00,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:48:00,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:48:00,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:48:00,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:48:00,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:48:00,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:48:00,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:48:00,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:48:00,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:48:00,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:48:00,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:48:00,537 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:48:00,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:48:00,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:48:00,537 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:48:00,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:48:00,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:48:00,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:48:00,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:48:00,538 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:00,538 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:48:00,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:48:00,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:00,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:48:00,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:48:00,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:48:00,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:48:00,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:00,539 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:48:00,539 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_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 [2024-11-25 03:48:00,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:48:00,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:48:00,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:48:00,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:48:00,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:48:00,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2024-11-25 03:48:03,778 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/7d65388c0/32f132e4ed86473b8d98b1efe2cc4fd5/FLAGfbd953d56 [2024-11-25 03:48:04,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:48:04,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2024-11-25 03:48:04,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/7d65388c0/32f132e4ed86473b8d98b1efe2cc4fd5/FLAGfbd953d56 [2024-11-25 03:48:04,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/data/7d65388c0/32f132e4ed86473b8d98b1efe2cc4fd5 [2024-11-25 03:48:04,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:48:04,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:48:04,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:04,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:48:04,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:48:04,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7ee3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04, skipping insertion in model container [2024-11-25 03:48:04,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:48:04,344 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_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-25 03:48:04,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:04,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:48:04,454 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_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-25 03:48:04,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:04,507 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:48:04,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04 WrapperNode [2024-11-25 03:48:04,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:04,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:04,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:48:04,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:48:04,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,556 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-25 03:48:04,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:04,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:48:04,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:48:04,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:48:04,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,591 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:48:04,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:48:04,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:48:04,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:48:04,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:04" (1/1) ... [2024-11-25 03:48:04,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:04,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:48:04,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:48:04,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:48:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:48:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:48:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:48:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:48:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:48:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:48:04,784 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:48:04,786 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:48:05,380 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 03:48:05,380 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:48:05,520 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:48:05,520 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:48:05,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:05 BoogieIcfgContainer [2024-11-25 03:48:05,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:48:05,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:48:05,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:48:05,536 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:48:05,536 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:05" (1/1) ... [2024-11-25 03:48:05,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:48:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-25 03:48:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-25 03:48:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:48:05,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:05,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:05,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:05,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:05,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:48:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:06,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:48:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:06,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:48:06,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:11,917 WARN L286 SmtUtils]: Spent 15.39s on a formula simplification. DAG size of input: 475 DAG size of output: 465 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 04:00:26,511 WARN L286 SmtUtils]: Spent 10.52s on a formula simplification. DAG size of input: 325 DAG size of output: 325 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 04:01:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 87 proven. 17 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-25 04:01:37,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:01:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 92 transitions. [2024-11-25 04:01:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2024-11-25 04:01:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-25 04:01:40,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:40,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:40,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:40,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:40,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc4e799-f14c-4fe4-ad57-2f4a255040e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:01:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:41,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:42,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:01:42,292 INFO L279 TraceCheckSpWp]: Computing forward predicates...