./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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 ea5067dfa77458b8ea4f8f835e068ba134ca35821331206475c8d72407b7767c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:03:19,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:03:20,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:03:20,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:03:20,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:03:20,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:03:20,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:03:20,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:03:20,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:03:20,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:03:20,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:03:20,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:03:20,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:03:20,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:03:20,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:03:20,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:03:20,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:03:20,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:03:20,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:03:20,115 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:03:20,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:03:20,115 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:03:20,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:03:20,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:03:20,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:03:20,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:03:20,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:03:20,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:03:20,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:03:20,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:03:20,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:03:20,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:03:20,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:03:20,116 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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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 -> ea5067dfa77458b8ea4f8f835e068ba134ca35821331206475c8d72407b7767c [2024-11-25 05:03:20,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:03:20,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:03:20,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:03:20,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:03:20,486 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:03:20,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-11-25 05:03:23,484 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/2ed0710df/2ccbbd3fba9e4166a89f2c430c8cd8b4/FLAGf87a70222 [2024-11-25 05:03:23,733 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:03:23,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-11-25 05:03:23,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/2ed0710df/2ccbbd3fba9e4166a89f2c430c8cd8b4/FLAGf87a70222 [2024-11-25 05:03:24,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/2ed0710df/2ccbbd3fba9e4166a89f2c430c8cd8b4 [2024-11-25 05:03:24,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:03:24,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:03:24,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:03:24,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:03:24,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:03:24,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9bc839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24, skipping insertion in model container [2024-11-25 05:03:24,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:03:24,272 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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-11-25 05:03:24,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:03:24,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:03:24,320 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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-11-25 05:03:24,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:03:24,343 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:03:24,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24 WrapperNode [2024-11-25 05:03:24,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:03:24,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:03:24,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:03:24,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:03:24,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,381 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-25 05:03:24,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:03:24,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:03:24,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:03:24,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:03:24,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:03:24,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:03:24,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:03:24,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:03:24,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:03:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:03:24,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:03:24,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:03:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:03:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:03:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:03:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:03:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:03:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:03:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:03:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:03:24,553 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:03:24,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:03:24,718 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 05:03:24,718 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:03:24,760 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:03:24,760 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:03:24,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:24 BoogieIcfgContainer [2024-11-25 05:03:24,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:03:24,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:03:24,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:03:24,771 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:03:24,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:24" (1/1) ... [2024-11-25 05:03:24,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:03:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 05:03:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 05:03:24,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 05:03:24,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:24,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:03:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 05:03:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 05:03:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 05:03:25,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:25,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:03:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-11-25 05:03:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 05:03:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 05:03:25,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:25,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:03:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:25,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 05:03:25,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:03:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:03:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 40 transitions. [2024-11-25 05:03:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-25 05:03:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 05:03:26,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:26,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:03:29,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:03:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-11-25 05:03:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-25 05:03:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:03:29,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:29,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:03:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:31,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 49 transitions. [2024-11-25 05:03:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-11-25 05:03:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:03:31,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:31,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:03:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:32,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 05:03:32,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:03:50,855 WARN L286 SmtUtils]: Spent 11.36s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:04:00,890 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:04:10,898 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:04:21,481 WARN L286 SmtUtils]: Spent 10.58s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:04:31,898 WARN L286 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:04:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:05:20,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:05:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 77 transitions. [2024-11-25 05:05:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-25 05:05:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:05:46,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:46,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:05:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:48,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 05:05:48,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:05:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:07:08,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:07:38,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:07:39,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:07:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 92 transitions. [2024-11-25 05:07:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2024-11-25 05:07:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:07:39,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:39,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:07:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:07:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:41,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 05:07:41,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:07:46,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:07:47,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 94 transitions. [2024-11-25 05:07:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2024-11-25 05:07:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:07:47,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:07:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:07:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:48,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 05:07:48,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:07:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 94 transitions. [2024-11-25 05:07:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2024-11-25 05:07:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:07:48,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:48,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:07:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:07:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:49,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 05:07:49,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:07:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 94 transitions. [2024-11-25 05:07:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2024-11-25 05:07:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:07:50,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:07:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:07:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:50,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 05:07:50,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:07:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 94 transitions. [2024-11-25 05:07:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2024-11-25 05:07:51,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:07:51,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:07:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:07:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:51,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 05:07:51,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:07,406 WARN L286 SmtUtils]: Spent 11.27s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:08:17,538 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:08:29,014 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:08:43,985 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:08:50,190 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:08:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:09:23,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:09:30,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:09:30,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:30,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 58 states and 118 transitions. [2024-11-25 05:09:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 118 transitions. [2024-11-25 05:09:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:09:30,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:30,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 05:10:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 140 transitions. [2024-11-25 05:10:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 140 transitions. [2024-11-25 05:10:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:10:20,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:20,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:10:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:24,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 05:10:24,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:39,154 WARN L286 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:10:49,842 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:11:00,248 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:11:22,472 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:11:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:11:29,915 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:11:51,173 WARN L286 SmtUtils]: Spent 11.84s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:12:29,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:12:30,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:13:16,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:13:18,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:13:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 66 states and 158 transitions. [2024-11-25 05:13:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 158 transitions. [2024-11-25 05:13:18,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:13:18,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:18,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:13:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:13:28,746 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:13:28,750 INFO L158 Benchmark]: Toolchain (without parser) took 604665.57ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 73.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:28,750 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:28,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.04ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:28,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:28,751 INFO L158 Benchmark]: Boogie Preprocessor took 32.28ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.6MB in the end (delta: 597.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:28,751 INFO L158 Benchmark]: RCFGBuilder took 345.15ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 66.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:28,751 INFO L158 Benchmark]: CodeCheck took 603987.49ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 73.3MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:28,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.04ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.28ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.6MB in the end (delta: 597.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 345.15ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 66.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 603987.49ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 73.3MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:13:28,961 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 05:13:28,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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 ea5067dfa77458b8ea4f8f835e068ba134ca35821331206475c8d72407b7767c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:13:31,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:13:31,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:13:31,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:13:31,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:13:31,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:13:31,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:13:31,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:13:31,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:13:31,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:13:31,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:13:31,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:13:31,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:13:31,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:13:31,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:13:31,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:13:31,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:13:31,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:13:31,550 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:13:31,554 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:13:31,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:13:31,554 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:13:31,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:13:31,554 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:13:31,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:13:31,554 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:13:31,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:31,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:31,555 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:13:31,555 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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/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 -> ea5067dfa77458b8ea4f8f835e068ba134ca35821331206475c8d72407b7767c [2024-11-25 05:13:31,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:13:31,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:13:31,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:13:31,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:13:31,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:13:31,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-11-25 05:13:34,939 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/96aab5e8c/9e6c4f81c44a41f1ab807bd1cac5a066/FLAGf559d0a2d [2024-11-25 05:13:35,238 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:13:35,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-11-25 05:13:35,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/96aab5e8c/9e6c4f81c44a41f1ab807bd1cac5a066/FLAGf559d0a2d [2024-11-25 05:13:35,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/data/96aab5e8c/9e6c4f81c44a41f1ab807bd1cac5a066 [2024-11-25 05:13:35,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:13:35,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:13:35,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:35,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:13:35,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:13:35,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7923791e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35, skipping insertion in model container [2024-11-25 05:13:35,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:13:35,474 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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-11-25 05:13:35,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:35,519 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:13:35,533 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_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-11-25 05:13:35,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:35,561 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:13:35,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35 WrapperNode [2024-11-25 05:13:35,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:35,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:35,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:13:35,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:13:35,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,593 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-25 05:13:35,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:35,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:13:35,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:13:35,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:13:35,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,612 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:13:35,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:13:35,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:13:35,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:13:35,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:35" (1/1) ... [2024-11-25 05:13:35,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:35,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:13:35,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:13:35,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:13:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:13:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:13:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:13:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:13:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:13:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:13:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:13:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:13:35,792 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:13:35,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:13:36,025 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 05:13:36,026 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:13:36,111 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:13:36,115 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:13:36,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:36 BoogieIcfgContainer [2024-11-25 05:13:36,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:13:36,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:13:36,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:13:36,130 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:13:36,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:36" (1/1) ... [2024-11-25 05:13:36,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:13:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 05:13:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 05:13:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 05:13:36,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:36,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:36,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:36,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:36,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:13:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:36,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:36,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 05:13:36,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:13:36,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:13:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 05:13:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 05:13:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 05:13:36,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:36,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:36,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:36,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:36,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:13:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:36,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:36,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:13:36,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:13:36,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 05:13:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 05:13:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 05:13:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 05:13:36,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:36,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:36,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:36,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:36,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:13:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:37,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:13:47,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:13:47,339 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:13:47,343 INFO L158 Benchmark]: Toolchain (without parser) took 12066.64ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 35.3MB in the end (delta: 27.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:47,343 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:47,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.60ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 50.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:47,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.80ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:47,344 INFO L158 Benchmark]: Boogie Preprocessor took 32.97ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.8MB in the end (delta: 896.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:47,345 INFO L158 Benchmark]: RCFGBuilder took 487.16ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 34.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:47,345 INFO L158 Benchmark]: CodeCheck took 11225.57ms. Allocated memory is still 83.9MB. Free memory was 34.7MB in the beginning and 35.3MB in the end (delta: -585.4kB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-25 05:13:47,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.60ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 50.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.80ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.97ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.8MB in the end (delta: 896.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.16ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 34.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11225.57ms. Allocated memory is still 83.9MB. Free memory was 34.7MB in the beginning and 35.3MB in the end (delta: -585.4kB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:13:47,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e7c0d-5578-4e27-ad63-0c7c3de9ee73/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown