./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps6-ll.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_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/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_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/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_191238db-6749-4877-b0d3-07ac5f6cdd22/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 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:49,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:49,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:21:49,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:21:49,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:21:49,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:49,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:49,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:49,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:49,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:49,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:49,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:49,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:21:49,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:21:49,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:21:49,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:49,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:49,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:49,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:49,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:49,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:21:49,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:49,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:49,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:49,754 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:49,754 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:49,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:49,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:49,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:49,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:49,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:49,756 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:21:49,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:21:49,757 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_191238db-6749-4877-b0d3-07ac5f6cdd22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-11-08 22:21:50,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:50,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:50,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:50,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:50,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:50,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/ps6-ll.c Unable to find full path for "g++" [2024-11-08 22:21:52,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:52,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:52,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-08 22:21:52,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data/8dc07856e/b94b490f04f34fd8a9e49659224069bc/FLAG043631707 [2024-11-08 22:21:52,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data/8dc07856e/b94b490f04f34fd8a9e49659224069bc [2024-11-08 22:21:52,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:52,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:52,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:52,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:52,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:52,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:52" (1/1) ... [2024-11-08 22:21:52,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b13112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:52, skipping insertion in model container [2024-11-08 22:21:52,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:52" (1/1) ... [2024-11-08 22:21:52,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:21:52,956 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_191238db-6749-4877-b0d3-07ac5f6cdd22/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-08 22:21:52,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:52,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:21:52,990 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_191238db-6749-4877-b0d3-07ac5f6cdd22/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-08 22:21:52,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:53,015 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:21:53,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53 WrapperNode [2024-11-08 22:21:53,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:53,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:53,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:21:53,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:21:53,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,047 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-08 22:21:53,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:53,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:21:53,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:21:53,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:21:53,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:21:53,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:21:53,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:21:53,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:21:53,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:53,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:21:53,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:21:53,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:21:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:21:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:21:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:21:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:21:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:21:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:21:53,203 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:21:53,206 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:53,383 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:53,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:53,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:53,438 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:21:53,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:53 BoogieIcfgContainer [2024-11-08 22:21:53,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:53,439 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:53,439 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:53,455 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:53,455 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:53" (1/1) ... [2024-11-08 22:21:53,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 22:21:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 22:21:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:21:53,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:53,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:53,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:21:53,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 22:21:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 22:21:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:21:53,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:53,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-08 22:21:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-08 22:21:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:21:54,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:54,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:21:54,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:21:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:21:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:21:55,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:55,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:21:55,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:21:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 22:21:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 22:21:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:21:55,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:55,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:55,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:21:55,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:21:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-08 22:21:56,029 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-08 22:21:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:21:56,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:56,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:56,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:21:56,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:21:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-08 22:21:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-08 22:21:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:21:57,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:57,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:57,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:21:57,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:21:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-08 22:21:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-08 22:21:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:21:57,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:57,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:57,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:21:57,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:21:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2024-11-08 22:21:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2024-11-08 22:21:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:21:58,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:58,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:59,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:21:59,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:22:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2024-11-08 22:22:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2024-11-08 22:22:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:22:00,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:22:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:00,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:22:00,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:22:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2024-11-08 22:22:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-11-08 22:22:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:22:01,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:01,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:22:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:01,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:22:01,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 25 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 22:22:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2024-11-08 22:22:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2024-11-08 22:22:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:22:02,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:02,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:22:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:02,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 22:22:02,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 31 proven. 35 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:22:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2024-11-08 22:22:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2024-11-08 22:22:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:22:03,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:03,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:22:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:22:13,979 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) [2024-11-08 22:22:13,983 INFO L158 Benchmark]: Toolchain (without parser) took 21290.93ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 87.2MB in the beginning and 132.4MB in the end (delta: -45.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-08 22:22:13,984 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:13,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.49ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 74.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:22:13,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.71ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 72.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:13,986 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 71.7MB in the end (delta: 826.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:13,987 INFO L158 Benchmark]: RCFGBuilder took 368.84ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 71.7MB in the beginning and 153.7MB in the end (delta: -81.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:13,987 INFO L158 Benchmark]: CodeCheck took 20542.29ms. Allocated memory is still 184.5MB. Free memory was 153.6MB in the beginning and 132.4MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:22:13,991 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 0.29ms. Allocated memory is still 125.8MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.49ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 74.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.71ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 72.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 71.7MB in the end (delta: 826.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.84ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 71.7MB in the beginning and 153.7MB in the end (delta: -81.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * CodeCheck took 20542.29ms. Allocated memory is still 184.5MB. Free memory was 153.6MB in the beginning and 132.4MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:22:14,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/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_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/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 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:16,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:16,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:22:16,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:16,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:16,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:16,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:16,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:16,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:16,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:16,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:22:16,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:22:16,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:16,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:16,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:16,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:16,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:22:16,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:22:16,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:16,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:22:16,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:22:16,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:16,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:16,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:16,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:16,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:16,518 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:16,518 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:22:16,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:16,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:16,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:16,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:16,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:16,520 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:22:16,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:16,520 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:22:16,520 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_191238db-6749-4877-b0d3-07ac5f6cdd22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-11-08 22:22:16,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:16,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:16,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:16,897 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:16,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:16,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/ps6-ll.c Unable to find full path for "g++" [2024-11-08 22:22:18,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:18,977 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:18,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-08 22:22:18,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data/56d6a34ad/32960f405228492d941e6691226c01a3/FLAG5deb5d963 [2024-11-08 22:22:19,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/data/56d6a34ad/32960f405228492d941e6691226c01a3 [2024-11-08 22:22:19,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:19,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:19,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:19,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:19,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:19,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b6d317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19, skipping insertion in model container [2024-11-08 22:22:19,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:19,273 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_191238db-6749-4877-b0d3-07ac5f6cdd22/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-08 22:22:19,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:19,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:19,330 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_191238db-6749-4877-b0d3-07ac5f6cdd22/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-08 22:22:19,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:19,366 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:19,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19 WrapperNode [2024-11-08 22:22:19,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:19,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:19,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:19,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:19,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,402 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-08 22:22:19,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:19,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:19,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:19,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:19,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:19,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:19,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:19,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:19,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:19" (1/1) ... [2024-11-08 22:22:19,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:19,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:19,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:19,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:22:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:22:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:22:19,614 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:19,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:20,274 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:20,274 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:20,361 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:20,361 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:22:20,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:20 BoogieIcfgContainer [2024-11-08 22:22:20,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:20,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:20,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:20,375 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:20,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:20" (1/1) ... [2024-11-08 22:22:20,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 22:22:20,453 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 22:22:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:22:20,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:20,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:20,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:22:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:20,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:21,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:22:21,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:21,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:22:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 22:22:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 22:22:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:22:22,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:22,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:22,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:22,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:22,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:22:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:23,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:23,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:22:23,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:36,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:23:02,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:03,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:06,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 22:23:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 22:23:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:23:06,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:06,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:06,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:06,886 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:06,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:23:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:08,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:08,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:23:08,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:09,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:42,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:51,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-08 22:23:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-08 22:23:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:23:53,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:53,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:53,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:53,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:53,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:23:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:54,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:54,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:23:54,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:23:56,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-08 22:24:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-08 22:24:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:24:48,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:48,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:48,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:48,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:24:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:49,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:50,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:24:50,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:24:52,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:25:34,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:51,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-11-08 22:25:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-08 22:25:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:25:54,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:54,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:54,969 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:54,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:25:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:56,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:56,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:56,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:26:01,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:27:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2024-11-08 22:27:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2024-11-08 22:27:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:27:32,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:32,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:32,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:32,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:32,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:27:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:34,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:35,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:27:35,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:27:37,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:29:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-08 22:29:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-08 22:29:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:29:02,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:02,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:02,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:02,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:02,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:29:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:04,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:04,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:29:04,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:29:09,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:53,079 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:30:33,027 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:30:47,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-11-08 22:30:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-11-08 22:30:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:30:48,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:48,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:48,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:48,599 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:48,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:30:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:51,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:52,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:30:52,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:30:55,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:31:21,365 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:31:51,970 WARN L286 SmtUtils]: Spent 5.93s 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) [2024-11-08 22:31:55,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:24,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-08 22:32:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-08 22:32:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:32:27,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:27,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:27,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:27,824 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:32:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:30,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:32:30,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 22:32:36,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:33:29,811 WARN L286 SmtUtils]: Spent 6.09s 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) [2024-11-08 22:34:17,653 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:34:34,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-08 22:34:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-08 22:34:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:34:35,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:35,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:35,402 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:35,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:34:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:38,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:40,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:34:40,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 16 proven. 52 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 22:34:43,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:11,238 WARN L286 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:35:50,316 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:36:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-08 22:36:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-08 22:36:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:36:31,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:31,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:31,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:31,507 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:31,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:36:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:35,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 22:36:35,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 19 proven. 47 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:36:50,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_191238db-6749-4877-b0d3-07ac5f6cdd22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0