./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL --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 b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:08,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:08,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:08,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:08,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:08,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:08,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:08,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:08,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:08,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:08,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:08,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:08,921 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:08,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:08,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:08,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:08,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:08,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:08,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:08,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:08,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:08,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:08,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:08,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:08,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:08,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:08,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:08,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:08,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:08,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:08,932 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:08,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:08,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:08,933 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2023-11-19 03:03:09,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:09,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:09,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:09,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:09,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:09,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2023-11-19 03:03:12,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:12,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:12,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2023-11-19 03:03:12,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data/56184b74e/1c2a0ba495b9496ba4376720fb69af91/FLAG6f157bd71 [2023-11-19 03:03:12,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data/56184b74e/1c2a0ba495b9496ba4376720fb69af91 [2023-11-19 03:03:12,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:12,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:12,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:12,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:12,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:12,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:12,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48aa9838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12, skipping insertion in model container [2023-11-19 03:03:12,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:12,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:12,867 WARN L240 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2023-11-19 03:03:12,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:12,907 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:12,919 WARN L240 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2023-11-19 03:03:12,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:12,944 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:12,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12 WrapperNode [2023-11-19 03:03:12,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:12,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:12,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:12,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:12,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:12,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:12,994 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2023-11-19 03:03:12,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:12,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:12,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:12,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:13,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:13,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:13,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:13,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:13,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:13,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:13,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:13,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:03:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:03:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:13,167 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:13,170 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:13,364 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:13,404 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:13,405 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:03:13,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:13 BoogieIcfgContainer [2023-11-19 03:03:13,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:13,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:13,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:13,434 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:13,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:13" (1/1) ... [2023-11-19 03:03:13,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-19 03:03:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-19 03:03:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:13,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:13,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:13,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:03:13,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:03:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2023-11-19 03:03:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2023-11-19 03:03:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:14,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:14,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:03:24,179 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:488) 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) [2023-11-19 03:03:24,183 INFO L158 Benchmark]: Toolchain (without parser) took 11580.95ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 69.7MB in the end (delta: 38.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,184 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 80.4MB in the beginning and 80.3MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:24,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.73ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 115.6MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.98ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,186 INFO L158 Benchmark]: Boogie Preprocessor took 24.60ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 112.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:24,187 INFO L158 Benchmark]: RCFGBuilder took 397.88ms. Allocated memory is still 148.9MB. Free memory was 112.9MB in the beginning and 99.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,188 INFO L158 Benchmark]: CodeCheck took 10761.20ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 69.7MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,192 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 80.4MB in the beginning and 80.3MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.73ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 115.6MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.98ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.60ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 112.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.88ms. Allocated memory is still 148.9MB. Free memory was 112.9MB in the beginning and 99.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10761.20ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 69.7MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:03:24,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/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 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL --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 b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:27,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:27,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:03:27,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:27,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:27,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:27,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:27,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:27,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:27,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:27,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:27,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:27,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:27,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:27,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:27,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:27,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:03:27,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:03:27,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:03:27,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:27,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:27,271 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:27,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:27,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:27,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:27,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:27,274 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:27,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:27,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:27,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:27,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:27,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:27,278 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:03:27,279 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:27,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:27,280 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:03:27,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:27,280 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2023-11-19 03:03:27,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:27,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:27,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:27,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:27,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:27,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2023-11-19 03:03:30,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:31,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:31,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2023-11-19 03:03:31,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data/64f0a660a/d0ce7c8d754243fe86ce487313cc0fef/FLAGc4caebc7d [2023-11-19 03:03:31,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/data/64f0a660a/d0ce7c8d754243fe86ce487313cc0fef [2023-11-19 03:03:31,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:31,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:31,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:31,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:31,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:31,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfba2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31, skipping insertion in model container [2023-11-19 03:03:31,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:31,511 WARN L240 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2023-11-19 03:03:31,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:31,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:31,592 WARN L240 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_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2023-11-19 03:03:31,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:31,639 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:31,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31 WrapperNode [2023-11-19 03:03:31,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:31,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:31,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:31,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:31,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,703 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2023-11-19 03:03:31,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:31,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:31,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:31,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:31,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:31,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:31,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:31,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:31,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:31" (1/1) ... [2023-11-19 03:03:31,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:31,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:31,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:03:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:03:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:03:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:31,957 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:31,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:32,248 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:32,318 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:32,318 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:03:32,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:32 BoogieIcfgContainer [2023-11-19 03:03:32,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:32,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:32,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:32,345 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:32,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:32" (1/1) ... [2023-11-19 03:03:32,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-19 03:03:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-19 03:03:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:32,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:32,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:32,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:32,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:32,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:03:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:03:32,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:03:33,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2023-11-19 03:03:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2023-11-19 03:03:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:34,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:34,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:34,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:34,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:34,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:03:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:34,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:34,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:03:34,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:03:35,374 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:03:35,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 68 transitions. [2023-11-19 03:03:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-11-19 03:03:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:36,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:36,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:36,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:36,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:36,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:03:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:03:39,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 03:03:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:41,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 72 transitions. [2023-11-19 03:03:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2023-11-19 03:03:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:03:41,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:41,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:41,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:41,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:03:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:41,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:41,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:41,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:03:41,664 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:03:41,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 74 transitions. [2023-11-19 03:03:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2023-11-19 03:03:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:03:42,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:42,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:42,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:42,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:42,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:03:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:42,545 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:42,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:42,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 03:03:45,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:58,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:03:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 79 transitions. [2023-11-19 03:03:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2023-11-19 03:03:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:03:58,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:58,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:58,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:03:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:59,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:59,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:03:59,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:04:00,711 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:04:00,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3cf26c-c022-47bc-b121-b5c53b9dc25d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0