./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:46:02,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:46:02,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:46:02,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:46:02,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:46:03,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:46:03,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:46:03,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:46:03,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:46:03,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:46:03,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:46:03,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:46:03,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:46:03,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:46:03,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:46:03,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:46:03,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:46:03,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:46:03,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:46:03,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:46:03,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:46:03,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:46:03,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:46:03,023 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:46:03,023 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:46:03,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:46:03,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:46:03,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:46:03,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:46:03,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:46:03,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:46:03,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:46:03,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:46:03,024 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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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 -> 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc [2024-11-25 04:46:03,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:46:03,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:46:03,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:46:03,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:46:03,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:46:03,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2024-11-25 04:46:06,464 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/87c0a71e1/8defd524c0d34252862f8e207cdb98a0/FLAG75e292fa7 [2024-11-25 04:46:06,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:46:06,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2024-11-25 04:46:06,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/87c0a71e1/8defd524c0d34252862f8e207cdb98a0/FLAG75e292fa7 [2024-11-25 04:46:06,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/87c0a71e1/8defd524c0d34252862f8e207cdb98a0 [2024-11-25 04:46:06,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:46:06,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:46:06,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:46:06,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:46:06,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:46:06,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:06" (1/1) ... [2024-11-25 04:46:06,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e8b08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:06, skipping insertion in model container [2024-11-25 04:46:06,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:06" (1/1) ... [2024-11-25 04:46:06,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:46:07,036 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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c[458,471] [2024-11-25 04:46:07,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:46:07,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:46:07,101 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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c[458,471] [2024-11-25 04:46:07,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:46:07,145 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:46:07,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07 WrapperNode [2024-11-25 04:46:07,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:46:07,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:46:07,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:46:07,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:46:07,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,197 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-25 04:46:07,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:46:07,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:46:07,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:46:07,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:46:07,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,219 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:46:07,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:46:07,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:46:07,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:46:07,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:46:07,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:46:07,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:46:07,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:46:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:46:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:46:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:46:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:46:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:46:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:46:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:46:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:46:07,425 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:46:07,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:46:07,613 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:46:07,613 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:46:07,649 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:46:07,649 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:46:07,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:07 BoogieIcfgContainer [2024-11-25 04:46:07,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:46:07,651 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:46:07,651 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:46:07,667 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:46:07,667 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:07" (1/1) ... [2024-11-25 04:46:07,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:46:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 04:46:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 04:46:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:46:07,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:07,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:08,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:46:08,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:46:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 04:46:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 04:46:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:46:08,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:08,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:46:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:09,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 04:46:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 04:46:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:46:09,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:09,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:46:09,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:46:13,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:46:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 04:46:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 04:46:13,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:46:13,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:13,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:46:13,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:46:14,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:14,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-25 04:46:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 04:46:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:46:14,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:14,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:14,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:46:14,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:46:18,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:46:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:46:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:46:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:46:18,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:18,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:46:18,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 04:46:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-11-25 04:46:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-25 04:46:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:46:19,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:19,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 04:46:19,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 04:46:23,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:46:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-25 04:46:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-25 04:46:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:46:23,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:23,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:23,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:46:23,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-25 04:46:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-25 04:46:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-25 04:46:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:46:25,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:25,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:46:25,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-25 04:46:29,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:46:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-11-25 04:46:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-25 04:46:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:46:29,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:29,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:46:29,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:46:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 04:46:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 04:46:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:46:31,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:31,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:36,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 04:46:36,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 21 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:46:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-11-25 04:46:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-11-25 04:46:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:46:37,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:37,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 04:46:37,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-25 04:46:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-25 04:46:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-25 04:46:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:46:39,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:39,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:46:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:46:49,346 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:46:49,351 INFO L158 Benchmark]: Toolchain (without parser) took 42554.98ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 40.6MB in the end (delta: 52.1MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-25 04:46:49,351 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:46:49,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.09ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:46:49,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.44ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:46:49,352 INFO L158 Benchmark]: Boogie Preprocessor took 37.05ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 633.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:46:49,352 INFO L158 Benchmark]: RCFGBuilder took 412.50ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:46:49,353 INFO L158 Benchmark]: CodeCheck took 41698.86ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 40.6MB in the end (delta: 27.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-25 04:46:49,357 INFO L338 ainManager$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 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.09ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.44ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.05ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 633.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 412.50ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 41698.86ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 40.6MB in the end (delta: 27.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:46:49,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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 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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:46:52,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:46:52,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:46:52,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:46:52,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:46:52,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:46:52,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:46:52,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:46:52,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:46:52,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:46:52,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:46:52,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:46:52,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:46:52,252 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:46:52,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:46:52,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:46:52,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:46:52,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:46:52,252 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:46:52,252 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:46:52,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:46:52,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:46:52,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:46:52,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:46:52,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:46:52,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:46:52,253 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:46:52,253 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:46:52,253 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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/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 -> 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc [2024-11-25 04:46:52,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:46:52,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:46:52,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:46:52,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:46:52,636 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:46:52,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2024-11-25 04:46:56,005 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/bd6af4df1/50bf7efbdb3e488593673866ce89d38f/FLAGf8dbbc0f6 [2024-11-25 04:46:56,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:46:56,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2024-11-25 04:46:56,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/bd6af4df1/50bf7efbdb3e488593673866ce89d38f/FLAGf8dbbc0f6 [2024-11-25 04:46:56,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/data/bd6af4df1/50bf7efbdb3e488593673866ce89d38f [2024-11-25 04:46:56,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:46:56,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:46:56,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:46:56,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:46:56,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:46:56,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582bdeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56, skipping insertion in model container [2024-11-25 04:46:56,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:46:56,490 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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c[458,471] [2024-11-25 04:46:56,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:46:56,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:46:56,549 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_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c[458,471] [2024-11-25 04:46:56,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:46:56,591 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:46:56,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56 WrapperNode [2024-11-25 04:46:56,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:46:56,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:46:56,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:46:56,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:46:56,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,639 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-25 04:46:56,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:46:56,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:46:56,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:46:56,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:46:56,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,656 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:46:56,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:46:56,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:46:56,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:46:56,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:56" (1/1) ... [2024-11-25 04:46:56,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:46:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:46:56,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:46:56,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:46:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:46:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:46:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:46:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:46:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:46:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:46:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:46:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:46:56,801 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:46:56,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:46:57,106 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:46:57,107 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:46:57,141 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:46:57,141 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:46:57,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:57 BoogieIcfgContainer [2024-11-25 04:46:57,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:46:57,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:46:57,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:46:57,155 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:46:57,156 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:57" (1/1) ... [2024-11-25 04:46:57,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:46:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 04:46:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 04:46:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:46:57,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:57,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:46:57,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:46:57,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:46:57,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:46:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:57,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:46:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:57,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:46:57,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:46:57,974 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:46:57,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:46:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 04:46:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 04:46:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:46:59,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:59,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:46:59,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:46:59,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:46:59,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:47:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:47:00,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:47:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:47:00,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:47:00,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:47:15,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:47:15,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:47:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:47:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 04:47:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 04:47:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:47:42,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:47:42,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:47:42,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:47:42,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:47:42,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:47:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:47:43,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:47:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:47:43,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:47:43,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:47:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:47:44,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:48:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-25 04:48:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 04:48:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:48:28,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:28,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:28,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:28,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:28,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:48:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:48:28,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 04:48:32,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 04:49:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-11-25 04:49:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-25 04:49:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:49:35,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:35,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:35,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:35,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:35,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:49:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:37,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:38,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:49:38,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:49:39,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:50:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-11-25 04:50:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-25 04:50:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:50:36,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:36,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:36,548 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:36,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:50:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:37,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:38,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:50:38,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 04:50:42,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:52:02,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-11-25 04:52:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-11-25 04:52:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:52:02,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:02,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:02,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:02,291 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:02,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:52:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:04,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:05,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:05,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 04:52:06,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:52:25,360 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:53:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-11-25 04:53:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-11-25 04:53:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:53:15,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:15,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:15,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:15,097 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:15,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:53:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:16,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:17,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:17,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:22,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 04:54:53,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:54:54,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-11-25 04:54:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-25 04:54:54,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:54:54,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:54,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:54,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:54,376 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:54,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:54:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:57,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:58,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:54:58,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-25 04:55:00,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 04:55:21,527 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:55:54,697 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:55:59,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:56:27,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:56:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-11-25 04:56:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-11-25 04:56:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:56:28,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:28,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:28,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:28,079 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:28,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:56:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:30,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:31,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:56:31,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 04:56:36,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:28,152 WARN L286 SmtUtils]: Spent 5.66s 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 04:58:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-11-25 04:58:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-11-25 04:58:21,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:58:21,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:21,156 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:21,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:58:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:23,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:24,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:58:24,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-25 04:58:27,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 04:58:50,919 WARN L286 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:59:23,351 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:59:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 105 transitions. [2024-11-25 04:59:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-11-25 04:59:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:59:56,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:56,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:56,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:56,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:56,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:59:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:59,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:00,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 05:00:00,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 05:00:11,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2ed5e17-5a9b-43b8-942d-c96586ae8cc8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 05:01:16,446 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)