./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:57:52,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:57:52,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:57:52,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:57:52,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:57:52,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:57:52,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:57:52,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:57:52,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:57:52,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:57:52,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:57:52,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:57:52,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:57:52,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:57:52,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:57:52,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:57:52,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:57:52,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:57:52,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:57:52,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:57:52,649 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:57:52,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:57:52,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:57:52,655 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:57:52,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:57:52,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:57:52,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:57:52,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:52,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:57:52,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:57:52,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:57:52,661 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:57:52,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:57:52,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb [2024-11-08 23:57:52,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:57:52,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:57:52,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:57:53,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:57:53,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:57:53,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-08 23:57:55,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:57:55,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:57:55,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2024-11-08 23:57:55,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/data/79bdad941/7e4b015bc24048b7a2ac98dfa9d05f6c/FLAG49ecbfa35 [2024-11-08 23:57:55,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/data/79bdad941/7e4b015bc24048b7a2ac98dfa9d05f6c [2024-11-08 23:57:55,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:57:55,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:57:55,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:55,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:57:55,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:57:55,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3533bbd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55, skipping insertion in model container [2024-11-08 23:57:55,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:57:55,540 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_3fa26e40-3154-42e1-b308-b891d44a4d0d/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2024-11-08 23:57:55,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:55,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:57:55,587 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_3fa26e40-3154-42e1-b308-b891d44a4d0d/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2024-11-08 23:57:55,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:55,614 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:57:55,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55 WrapperNode [2024-11-08 23:57:55,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:55,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:55,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:57:55,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:57:55,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,649 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-11-08 23:57:55,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:55,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:57:55,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:57:55,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:57:55,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:57:55,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:57:55,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:57:55,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:57:55,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:55" (1/1) ... [2024-11-08 23:57:55,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:55,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:57:55,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:57:55,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:57:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:57:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:57:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:57:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:57:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:57:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:57:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:57:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:57:55,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:57:55,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:57:56,011 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 23:57:56,012 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:57:56,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:57:56,086 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:57:56,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:56 BoogieIcfgContainer [2024-11-08 23:57:56,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:57:56,088 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:57:56,088 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:57:56,099 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:57:56,099 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:56" (1/1) ... [2024-11-08 23:57:56,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:57:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 23:57:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 23:57:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:57:56,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:57:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 23:57:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 23:57:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:56,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:56,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:57:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2024-11-08 23:57:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-08 23:57:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:56,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:57:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:56,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:57:56,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:57:57,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2024-11-08 23:57:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-08 23:57:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:57:57,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:57:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:57,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:57:57,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:57:58,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 59 transitions. [2024-11-08 23:57:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-08 23:57:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:57:58,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:58,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:57:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:58,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:57:58,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:57:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 70 transitions. [2024-11-08 23:57:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 23:57:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:57:59,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:59,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:58:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 70 transitions. [2024-11-08 23:58:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-11-08 23:58:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:58:00,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:00,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:58:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 82 transitions. [2024-11-08 23:58:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-08 23:58:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:58:01,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:01,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:01,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:58:01,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:02,034 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:58:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:03,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 99 transitions. [2024-11-08 23:58:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2024-11-08 23:58:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:58:03,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:03,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:03,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:58:03,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:58:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:04,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 54 states and 101 transitions. [2024-11-08 23:58:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2024-11-08 23:58:04,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 23:58:04,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:04,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 23:58:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 58 states and 112 transitions. [2024-11-08 23:58:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-11-08 23:58:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:58:06,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:06,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:06,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:58:06,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 23:58:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 138 transitions. [2024-11-08 23:58:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 138 transitions. [2024-11-08 23:58:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:58:10,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:10,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:10,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:58:10,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 23:58:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 72 states and 152 transitions. [2024-11-08 23:58:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 152 transitions. [2024-11-08 23:58:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:58:13,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:13,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:58:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 74 states and 155 transitions. [2024-11-08 23:58:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 155 transitions. [2024-11-08 23:58:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:58:16,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:16,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:16,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:58:16,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:58:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 79 states and 167 transitions. [2024-11-08 23:58:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 167 transitions. [2024-11-08 23:58:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:58:19,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:19,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:58:19,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:58:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 174 transitions. [2024-11-08 23:58:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 174 transitions. [2024-11-08 23:58:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:58:22,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:22,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:58:22,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:58:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 85 states and 176 transitions. [2024-11-08 23:58:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 176 transitions. [2024-11-08 23:58:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 23:58:24,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:24,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 23:58:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 89 states and 186 transitions. [2024-11-08 23:58:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 186 transitions. [2024-11-08 23:58:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:58:29,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:58:30,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:58:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:58:30,070 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2024-11-08 23:58:30,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:58:30 ImpRootNode [2024-11-08 23:58:30,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:58:30,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:58:30,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:58:30,121 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:58:30,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:56" (3/4) ... [2024-11-08 23:58:30,125 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:58:30,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:58:30,229 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:58:30,230 INFO L158 Benchmark]: Toolchain (without parser) took 34953.95ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 106.8MB in the beginning and 193.3MB in the end (delta: -86.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-08 23:58:30,230 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:58:30,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.02ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 93.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:58:30,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.86ms. Allocated memory is still 144.7MB. Free memory was 93.8MB in the beginning and 92.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:58:30,231 INFO L158 Benchmark]: Boogie Preprocessor took 27.86ms. Allocated memory is still 144.7MB. Free memory was 92.1MB in the beginning and 91.3MB in the end (delta: 820.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:58:30,232 INFO L158 Benchmark]: RCFGBuilder took 406.15ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 77.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:58:30,232 INFO L158 Benchmark]: CodeCheck took 34032.50ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 77.5MB in the beginning and 196.5MB in the end (delta: -119.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:58:30,232 INFO L158 Benchmark]: Witness Printer took 108.65ms. Allocated memory is still 251.7MB. Free memory was 196.5MB in the beginning and 193.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:58:30,235 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 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.9s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1459 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 416 mSDsluCounter, 952 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 1527 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4922 IncrementalHoareTripleChecker+Invalid, 6449 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1527 mSolverCounterUnsat, 866 mSDtfsCounter, 4922 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5082 GetRequests, 4739 SyntacticMatches, 75 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31644 ImplicationChecksByTransitivity, 27.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 580 NumberOfCodeBlocks, 580 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 2973 SizeOfPredicates, 29 NumberOfNonLiveVariables, 987 ConjunctsInSsa, 177 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 448/515 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L18] int counter = 0; [L20] long long a, b, p, q, r, s; [L21] int x, y; [L22] x = __VERIFIER_nondet_int() [L23] y = __VERIFIER_nondet_int() [L24] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L24] RET assume_abort_if_not(x >= 1) VAL [counter=0, x=5, y=2] [L25] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L25] RET assume_abort_if_not(y >= 1) VAL [counter=0, x=5, y=2] [L27] a = x [L28] b = y [L29] p = 1 [L30] q = 0 [L31] r = 0 [L32] s = 1 VAL [a=5, b=2, counter=0, p=1, q=0, r=0, s=1, x=5, y=2] [L34] EXPR counter++ VAL [a=5, b=2, counter=1, p=1, q=0, r=0, s=1, x=5, y=2] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=5, b=2, counter=1, p=1, q=0, r=0, s=1, x=5, y=2] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=5, b=2, counter=1, p=1, q=0, r=0, s=1, x=5, y=2] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=5, b=2, counter=1, p=1, q=0, r=0, s=1, x=5, y=2] [L39] COND FALSE !(!(a != b)) [L42] COND TRUE a > b [L43] a = a - b [L44] p = p - q [L45] r = r - s VAL [a=3, b=2, counter=1, p=1, q=0, r=-1, s=1, x=5, y=2] [L34] EXPR counter++ VAL [a=3, b=2, counter=2, p=1, q=0, r=-1, s=1, x=5, y=2] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=3, b=2, counter=2, p=1, q=0, r=-1, s=1, x=5, y=2] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=3, b=2, counter=2, p=1, q=0, r=-1, s=1, x=5, y=2] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=3, b=2, counter=2, p=1, q=0, r=-1, s=1, x=5, y=2] [L39] COND FALSE !(!(a != b)) [L42] COND TRUE a > b [L43] a = a - b [L44] p = p - q [L45] r = r - s VAL [a=1, b=2, counter=2, p=1, q=0, r=-2, s=1, x=5, y=2] [L34] EXPR counter++ VAL [a=1, b=2, counter=3, p=1, q=0, r=-2, s=1, x=5, y=2] [L34] COND FALSE !(counter++<2) [L53] CALL __VERIFIER_assert(a - b == 0) VAL [\old(cond)=0, counter=3] [L11] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L13] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.02ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 93.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.86ms. Allocated memory is still 144.7MB. Free memory was 93.8MB in the beginning and 92.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.86ms. Allocated memory is still 144.7MB. Free memory was 92.1MB in the beginning and 91.3MB in the end (delta: 820.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.15ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 77.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 34032.50ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 77.5MB in the beginning and 196.5MB in the end (delta: -119.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 108.65ms. Allocated memory is still 251.7MB. Free memory was 196.5MB in the beginning and 193.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:58:30,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa26e40-3154-42e1-b308-b891d44a4d0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE