./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/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_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:22:10,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:22:10,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-24 18:22:10,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:22:10,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:22:10,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:22:10,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:22:10,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:22:10,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:22:10,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:22:10,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:22:10,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:22:10,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:22:10,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:22:10,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:22:10,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:22:10,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:22:10,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:22:10,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:22:10,426 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:22:10,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:22:10,427 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:22:10,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:22:10,427 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:22:10,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:22:10,427 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:22:10,427 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:22:10,427 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:22:10,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:22:10,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:22:10,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:22:10,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:22:10,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:22:10,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:22:10,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:22:10,428 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_8a386b7c-1e65-4860-baac-9526a9172930/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 ! overflow) ) 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 -> e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 [2024-11-24 18:22:10,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:22:10,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:22:10,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:22:10,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:22:10,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:22:10,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c [2024-11-24 18:22:13,923 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/data/a3295781a/d6d0b8a6409f4f079db4b9b19d851061/FLAGf1722669e [2024-11-24 18:22:14,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:22:14,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c [2024-11-24 18:22:14,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/data/a3295781a/d6d0b8a6409f4f079db4b9b19d851061/FLAGf1722669e [2024-11-24 18:22:14,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/data/a3295781a/d6d0b8a6409f4f079db4b9b19d851061 [2024-11-24 18:22:14,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:22:14,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:22:14,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:22:14,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:22:14,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:22:14,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56eddabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14, skipping insertion in model container [2024-11-24 18:22:14,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:22:14,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:22:14,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:22:14,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:22:14,807 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:22:14,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14 WrapperNode [2024-11-24 18:22:14,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:22:14,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:22:14,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:22:14,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:22:14,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,855 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-24 18:22:14,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:22:14,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:22:14,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:22:14,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:22:14,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:22:14,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:22:14,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:22:14,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:22:14,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:14" (1/1) ... [2024-11-24 18:22:14,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:22:14,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:22:14,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:22:14,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:22:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:22:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:22:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:22:14,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:22:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:22:14,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:22:15,047 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:22:15,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:22:15,395 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-24 18:22:15,395 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:22:15,429 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:22:15,430 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:22:15,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:15 BoogieIcfgContainer [2024-11-24 18:22:15,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:22:15,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:22:15,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:22:15,444 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:22:15,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:15" (1/1) ... [2024-11-24 18:22:15,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:22:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-11-24 18:22:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-11-24 18:22:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:22:15,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:15,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-11-24 18:22:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-11-24 18:22:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:22:15,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:15,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-11-24 18:22:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-24 18:22:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:22:15,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:15,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:15,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:22:15,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2024-11-24 18:22:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-11-24 18:22:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:22:16,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:16,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2024-11-24 18:22:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2024-11-24 18:22:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:22:16,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:16,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:16,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:22:16,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2024-11-24 18:22:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2024-11-24 18:22:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:22:16,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:16,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:16,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:22:16,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:16,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2024-11-24 18:22:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2024-11-24 18:22:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:22:16,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:16,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 70 states and 76 transitions. [2024-11-24 18:22:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2024-11-24 18:22:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:22:16,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:16,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:22:16,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:17,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:17,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2024-11-24 18:22:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2024-11-24 18:22:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:22:17,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2024-11-24 18:22:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2024-11-24 18:22:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:22:18,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2024-11-24 18:22:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2024-11-24 18:22:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:22:18,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2024-11-24 18:22:18,991 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2024-11-24 18:22:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:22:18,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:19,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:22:19,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2024-11-24 18:22:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2024-11-24 18:22:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:22:19,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:19,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:20,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2024-11-24 18:22:20,849 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2024-11-24 18:22:20,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:22:20,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:20,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:20,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:22:20,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2024-11-24 18:22:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-11-24 18:22:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:22:20,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:20,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2024-11-24 18:22:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-11-24 18:22:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:22:21,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:21,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2024-11-24 18:22:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-11-24 18:22:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:22:21,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:21,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2024-11-24 18:22:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-11-24 18:22:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:22:22,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:22,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:22,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:22:22,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 118 states and 145 transitions. [2024-11-24 18:22:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2024-11-24 18:22:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:22:22,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:22,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 122 states and 150 transitions. [2024-11-24 18:22:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2024-11-24 18:22:24,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:22:24,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:24,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:18,509 WARN L286 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 18:24:06,956 WARN L286 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:24:16,993 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 18:25:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:26:10,378 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:26:50,260 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:27:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 127 states and 160 transitions. [2024-11-24 18:27:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2024-11-24 18:27:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:27:27,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:27,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:27:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:27:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2024-11-24 18:27:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2024-11-24 18:27:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:27:28,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:28,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:27:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:28:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 177 transitions. [2024-11-24 18:28:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 177 transitions. [2024-11-24 18:28:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:28:47,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:28:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:29:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 149 states and 189 transitions. [2024-11-24 18:29:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 189 transitions. [2024-11-24 18:29:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:29:34,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:34,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:29:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:29:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:34,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:29:34,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:29:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 167 states and 211 transitions. [2024-11-24 18:29:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2024-11-24 18:29:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:29:59,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:59,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:29:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:29:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:29:59,038 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:29:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:29:59,065 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-24 18:29:59,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:29:59 ImpRootNode [2024-11-24 18:29:59,104 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:29:59,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:29:59,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:29:59,106 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:29:59,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:15" (3/4) ... [2024-11-24 18:29:59,107 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:29:59,164 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-24 18:29:59,224 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:29:59,224 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:29:59,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:29:59,226 INFO L158 Benchmark]: Toolchain (without parser) took 464709.89ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.5MB in the beginning and 206.7MB in the end (delta: -112.2MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2024-11-24 18:29:59,226 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:29:59,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.18ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:29:59,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.12ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:29:59,228 INFO L158 Benchmark]: Boogie Preprocessor took 44.23ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:29:59,228 INFO L158 Benchmark]: RCFGBuilder took 526.16ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 64.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:29:59,229 INFO L158 Benchmark]: CodeCheck took 463672.91ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.0MB in the beginning and 214.0MB in the end (delta: -150.0MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2024-11-24 18:29:59,229 INFO L158 Benchmark]: Witness Printer took 119.45ms. Allocated memory is still 352.3MB. Free memory was 214.0MB in the beginning and 206.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:29:59,231 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, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 463.6s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2232 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1776 mSDsluCounter, 492 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5026 IncrementalHoareTripleChecker+Invalid, 5604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 317 mSDtfsCounter, 5026 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2903 GetRequests, 2625 SyntacticMatches, 88 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20368 ImplicationChecksByTransitivity, 441.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 198.9s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=3037000500, z=3037000500] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L33] COND TRUE counter++<2 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L40] EXPR x * z VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=2, x=3037000501, y=3037000500, z=3037000500] [L41] y * z VAL [c=2, counter=1, k=2, x=3037000501] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.18ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.12ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.23ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.16ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 64.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 463672.91ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.0MB in the beginning and 214.0MB in the end (delta: -150.0MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Witness Printer took 119.45ms. Allocated memory is still 352.3MB. Free memory was 214.0MB in the beginning and 206.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:29:59,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a386b7c-1e65-4860-baac-9526a9172930/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)