./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/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_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/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_39b977aa-eac1-4447-bc2d-3e4011e99180/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 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:39:22,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:39:22,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:39:22,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:39:22,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:39:22,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:39:22,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:39:22,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:39:22,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:39:22,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:39:22,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:39:22,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:39:22,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:39:22,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:39:22,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:39:22,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:39:22,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:39:22,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:39:22,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:39:22,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:39:22,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:39:22,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:39:22,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:39:22,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:39:22,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:39:22,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:39:22,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:39:22,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:22,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:39:22,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:39:22,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:39:22,673 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:39:22,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:39:22,674 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_39b977aa-eac1-4447-bc2d-3e4011e99180/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 [2024-11-09 00:39:23,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:39:23,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:39:23,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:39:23,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:39:23,059 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:39:23,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i Unable to find full path for "g++" [2024-11-09 00:39:25,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:39:25,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:39:25,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2024-11-09 00:39:25,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data/c99852b43/1027ca5360574f38b9a8aeebe3ff6c3a/FLAGfdafec894 [2024-11-09 00:39:25,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data/c99852b43/1027ca5360574f38b9a8aeebe3ff6c3a [2024-11-09 00:39:25,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:39:25,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:39:25,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:25,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:39:25,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:39:25,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:25" (1/1) ... [2024-11-09 00:39:25,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c6233b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:25, skipping insertion in model container [2024-11-09 00:39:25,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:25" (1/1) ... [2024-11-09 00:39:25,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:39:25,897 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_39b977aa-eac1-4447-bc2d-3e4011e99180/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-11-09 00:39:25,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:25,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:39:25,967 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_39b977aa-eac1-4447-bc2d-3e4011e99180/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-11-09 00:39:26,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:26,039 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:39:26,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26 WrapperNode [2024-11-09 00:39:26,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:26,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:26,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:39:26,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:39:26,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,107 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-09 00:39:26,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:26,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:39:26,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:39:26,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:39:26,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:39:26,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:39:26,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:39:26,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:39:26,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:26,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:39:26,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:39:26,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:39:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:39:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:39:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:39:26,307 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:39:26,309 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:39:26,618 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 00:39:26,619 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:39:26,784 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:39:26,785 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:39:26,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:26 BoogieIcfgContainer [2024-11-09 00:39:26,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:39:26,786 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:39:26,786 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:39:26,797 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:39:26,798 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:26" (1/1) ... [2024-11-09 00:39:26,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-09 00:39:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-09 00:39:26,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:39:26,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:26,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 00:39:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-09 00:39:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-09 00:39:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:39:29,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:29,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:39:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:39:29,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:39:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:39:29,439 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:39:29,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:39:29 ImpRootNode [2024-11-09 00:39:29,530 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:39:29,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:39:29,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:39:29,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:39:29,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:26" (3/4) ... [2024-11-09 00:39:29,534 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:39:29,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:39:29,540 INFO L158 Benchmark]: Toolchain (without parser) took 3867.25ms. Allocated memory was 163.6MB in the beginning and 262.1MB in the end (delta: 98.6MB). Free memory was 123.8MB in the beginning and 122.8MB in the end (delta: 1.0MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2024-11-09 00:39:29,541 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 163.6MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:29,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.53ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 109.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:39:29,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.70ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 107.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:39:29,543 INFO L158 Benchmark]: Boogie Preprocessor took 44.40ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:29,543 INFO L158 Benchmark]: RCFGBuilder took 632.12ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 77.1MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 00:39:29,547 INFO L158 Benchmark]: CodeCheck took 2744.13ms. Allocated memory was 163.6MB in the beginning and 262.1MB in the end (delta: 98.6MB). Free memory was 77.1MB in the beginning and 122.8MB in the end (delta: -45.6MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-09 00:39:29,547 INFO L158 Benchmark]: Witness Printer took 7.73ms. Allocated memory is still 262.1MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:29,551 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 55 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 639 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticFLOAToperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] unsigned char var_1_7 = 200; [L24] unsigned char var_1_8 = 4; [L25] signed char var_1_9 = 50; [L26] signed char var_1_12 = -5; [L27] float var_1_13 = 999999999999.8; [L28] float var_1_14 = 100.5; [L29] float var_1_15 = 32.75; [L30] unsigned char var_1_16 = 1; [L31] unsigned char var_1_17 = 1; [L32] unsigned char var_1_18 = 128; [L33] unsigned char last_1_var_1_7 = 200; [L34] signed char last_1_var_1_9 = 50; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-219, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] COND TRUE var_1_18 == var_1_18 [L47] var_1_7 = var_1_8 [L49] signed short int stepLocal_3 = var_1_1; [L50] COND FALSE !(var_1_18 == stepLocal_3) [L53] signed short int stepLocal_2 = var_1_1; [L54] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L55] COND TRUE \read(var_1_16) [L56] COND TRUE stepLocal_1 && var_1_16 [L57] COND FALSE !(stepLocal_2 > var_1_1) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND FALSE !(!(cond)) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-219, var_1_9=50] [L93] RET __VERIFIER_assert(property()) [L94] isInitial = 0 VAL [isInitial=0, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-219, var_1_9=50] [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-219, var_1_1=-272, var_1_7=-219, var_1_8=-202, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] COND TRUE var_1_18 == var_1_18 [L47] var_1_7 = var_1_8 [L49] signed short int stepLocal_3 = var_1_1; [L50] COND TRUE var_1_18 == stepLocal_3 [L51] var_1_13 = (var_1_14 - var_1_15) [L53] signed short int stepLocal_2 = var_1_1; [L54] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L55] COND TRUE \read(var_1_16) [L56] COND FALSE !(stepLocal_1 && var_1_16) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=-202, var_1_1=54, var_1_7=-202, var_1_8=-202, var_1_9=50] [L19] reach_error() VAL [isInitial=0, last_1_var_1_7=-219, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=-202, var_1_1=54, var_1_7=-202, var_1_8=-202, var_1_9=50] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 163.6MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.53ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 109.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.70ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 107.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.40ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 632.12ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 77.1MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 2744.13ms. Allocated memory was 163.6MB in the beginning and 262.1MB in the end (delta: 98.6MB). Free memory was 77.1MB in the beginning and 122.8MB in the end (delta: -45.6MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Witness Printer took 7.73ms. Allocated memory is still 262.1MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:39:29,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/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_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/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_39b977aa-eac1-4447-bc2d-3e4011e99180/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 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:39:31,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:39:32,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:39:32,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:39:32,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:39:32,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:39:32,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:39:32,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:39:32,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:39:32,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:39:32,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:39:32,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:39:32,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:39:32,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:39:32,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:39:32,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:39:32,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:39:32,080 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:39:32,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:39:32,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:39:32,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:39:32,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:39:32,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:39:32,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:39:32,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:39:32,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:39:32,086 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:32,086 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:39:32,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:39:32,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:32,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:39:32,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:39:32,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:39:32,089 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:39:32,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:32,090 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:39:32,090 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_39b977aa-eac1-4447-bc2d-3e4011e99180/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 [2024-11-09 00:39:32,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:39:32,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:39:32,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:39:32,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:39:32,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:39:32,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i Unable to find full path for "g++" [2024-11-09 00:39:34,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:39:34,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:39:34,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2024-11-09 00:39:35,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data/c4cb9fd89/3ee5eef6d8f346d4b9074e82c4699b68/FLAG07915a025 [2024-11-09 00:39:35,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/data/c4cb9fd89/3ee5eef6d8f346d4b9074e82c4699b68 [2024-11-09 00:39:35,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:39:35,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:39:35,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:35,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:39:35,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:39:35,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9e8f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35, skipping insertion in model container [2024-11-09 00:39:35,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:39:35,538 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_39b977aa-eac1-4447-bc2d-3e4011e99180/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-11-09 00:39:35,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:35,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:39:35,616 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_39b977aa-eac1-4447-bc2d-3e4011e99180/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-11-09 00:39:35,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:35,656 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:39:35,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35 WrapperNode [2024-11-09 00:39:35,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:35,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:35,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:39:35,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:39:35,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,696 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-09 00:39:35,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:35,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:39:35,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:39:35,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:39:35,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:39:35,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:39:35,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:39:35,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:39:35,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:35" (1/1) ... [2024-11-09 00:39:35,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:39:35,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:39:35,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:39:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:39:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:39:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:39:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:39:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:39:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:39:35,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:39:35,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:39:36,299 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 00:39:36,300 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:39:36,440 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:39:36,441 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:39:36,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:36 BoogieIcfgContainer [2024-11-09 00:39:36,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:39:36,442 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:39:36,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:39:36,453 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:39:36,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:36" (1/1) ... [2024-11-09 00:39:36,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-09 00:39:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-09 00:39:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:39:36,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:36,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:36,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:36,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:36,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:39:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:36,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:36,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:39:37,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:40:03,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 54 transitions. [2024-11-09 00:40:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-11-09 00:40:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:40:03,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:03,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:03,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:03,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:03,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:40:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:04,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:04,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:40:04,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 00:40:34,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:40:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 72 states and 114 transitions. [2024-11-09 00:40:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-09 00:40:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:40:41,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:41,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:41,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:41,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:41,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:40:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:41,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:40:42,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:41:19,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:41:23,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:23,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 78 states and 134 transitions. [2024-11-09 00:41:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2024-11-09 00:41:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:41:23,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:23,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:23,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:23,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:41:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:24,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:25,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:41:25,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 94 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-09 00:42:01,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:42:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:42:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:42:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:42:02,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:02,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:02,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:02,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:42:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:03,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:03,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:42:03,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:42:36,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:42:37,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:42:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:42:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:42:37,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:37,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:37,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:37,173 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:37,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:42:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:37,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:38,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:42:38,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:43:12,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 00:43:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:43:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:43:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:43:12,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:12,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:12,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:12,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:12,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:43:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:13,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:43:14,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 00:43:45,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:43:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:43:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:43:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:43:46,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:46,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:46,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:46,683 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:46,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:43:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:47,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:47,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:43:47,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:44:21,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:44:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:44:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:44:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:44:21,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:21,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:21,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:21,928 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:21,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:44:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:22,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:44:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:23,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:44:23,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 94 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-09 00:44:55,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 00:44:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:44:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:44:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:44:55,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:55,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:55,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:55,563 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:55,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:44:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:56,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:44:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:56,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:44:56,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:45:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:45:31,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:45:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:45:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:45:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:45:31,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:31,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:45:31,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:45:31,773 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:45:31,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:45:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:32,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:45:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:32,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:45:32,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:46:06,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:46:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:46:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:46:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:46:07,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:07,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:07,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:07,106 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:07,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:46:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:07,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:08,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:46:08,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 94 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-09 00:46:43,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:46:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:46:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:46:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:46:44,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:44,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:44,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:44,108 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:44,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:46:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:44,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:45,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:46:45,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:47:20,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:47:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:47:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:47:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:47:20,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:20,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:20,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:20,807 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:20,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:47:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:21,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:21,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:47:21,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 00:47:55,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:47:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:47:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:47:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:47:56,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:56,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:56,718 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:56,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:47:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:57,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:58,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:47:58,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 00:48:27,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:48:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:48:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:48:28,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:28,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:28,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:28,274 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:28,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:48:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:28,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:48:29,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:49:01,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:49:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:49:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:49:01,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:01,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:01,470 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:01,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:49:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:01,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:02,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:49:02,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 00:49:28,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:49:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:49:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:49:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:49:29,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:29,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:29,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:29,303 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:29,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:49:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:29,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:30,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:49:30,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:50:07,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:50:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:50:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:50:07,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:07,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:07,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:07,611 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:07,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:50:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:08,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:08,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:50:08,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 38 proven. 154 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-09 00:50:37,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 138 transitions. [2024-11-09 00:50:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2024-11-09 00:50:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:50:38,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:38,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:38,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:38,246 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:50:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:38,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:39,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:50:39,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:51:10,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:51:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 151 transitions. [2024-11-09 00:51:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2024-11-09 00:51:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:51:12,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:12,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:51:12,971 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:51:12,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:51:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:13,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:51:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:13,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:51:13,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:51:44,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:51:44,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 151 transitions. [2024-11-09 00:51:44,950 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2024-11-09 00:51:44,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:51:44,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:44,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:44,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:51:44,954 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:51:44,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:51:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:45,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:51:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:45,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:51:45,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 00:52:12,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:52:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 151 transitions. [2024-11-09 00:52:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2024-11-09 00:52:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:52:13,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:13,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:13,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:13,154 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:13,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:52:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:13,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:13,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:52:13,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:25,734 WARN L286 SmtUtils]: Spent 14.97s on a formula simplification. DAG size of input: 22 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:54:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 154 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-09 00:54:02,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 151 transitions. [2024-11-09 00:54:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2024-11-09 00:54:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:54:03,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:03,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:03,097 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:03,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39b977aa-eac1-4447-bc2d-3e4011e99180/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:54:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:03,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:04,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:54:04,360 INFO L278 TraceCheckSpWp]: Computing forward predicates...