./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9 --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 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:57:35,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:57:35,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:57:35,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:57:35,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:57:35,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:57:35,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:57:35,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:57:35,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:57:35,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:57:35,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:57:35,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:57:35,429 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:57:35,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:57:35,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:57:35,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:57:35,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:57:35,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:57:35,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:57:35,433 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:57:35,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:57:35,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:57:35,434 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:57:35,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:57:35,435 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:57:35,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:57:35,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:35,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:57:35,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:57:35,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:57:35,437 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:57:35,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:57:35,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:57:35,438 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_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 [2023-12-03 01:57:35,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:57:35,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:57:35,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:57:35,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:57:35,718 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:57:35,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2023-12-03 01:57:38,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:57:38,731 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:57:38,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2023-12-03 01:57:38,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data/abd76a422/0a3f1943974242d2857480bd4db6ff1a/FLAG7cee23a43 [2023-12-03 01:57:38,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data/abd76a422/0a3f1943974242d2857480bd4db6ff1a [2023-12-03 01:57:38,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:57:38,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:57:38,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:38,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:57:38,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:57:38,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:38" (1/1) ... [2023-12-03 01:57:38,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dbc778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:38, skipping insertion in model container [2023-12-03 01:57:38,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:38" (1/1) ... [2023-12-03 01:57:38,795 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:57:38,936 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2023-12-03 01:57:38,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:38,983 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:57:38,993 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2023-12-03 01:57:39,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:39,040 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:57:39,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39 WrapperNode [2023-12-03 01:57:39,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:39,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:39,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:57:39,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:57:39,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,104 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2023-12-03 01:57:39,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:39,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:57:39,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:57:39,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:57:39,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:57:39,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:57:39,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:57:39,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:57:39,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:39,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:57:39,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:57:39,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:57:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:57:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:57:39,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:57:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:57:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:57:39,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:57:39,271 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:57:39,274 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:57:39,467 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:57:39,569 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:57:39,569 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:57:39,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:39 BoogieIcfgContainer [2023-12-03 01:57:39,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:57:39,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:57:39,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:57:39,580 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:57:39,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:39" (1/1) ... [2023-12-03 01:57:39,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:57:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-12-03 01:57:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-12-03 01:57:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:57:39,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:39,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:57:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:40,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:57:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:57:40,113 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:57:40,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:57:40 ImpRootNode [2023-12-03 01:57:40,154 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:57:40,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:57:40,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:57:40,155 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:57:40,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:39" (3/4) ... [2023-12-03 01:57:40,158 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:57:40,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:57:40,159 INFO L158 Benchmark]: Toolchain (without parser) took 1398.81ms. Allocated memory is still 176.2MB. Free memory was 146.9MB in the beginning and 94.8MB in the end (delta: 52.1MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:40,160 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:40,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.00ms. Allocated memory is still 176.2MB. Free memory was 146.9MB in the beginning and 147.2MB in the end (delta: -327.8kB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-12-03 01:57:40,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.97ms. Allocated memory is still 176.2MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:40,162 INFO L158 Benchmark]: Boogie Preprocessor took 23.48ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 143.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:40,163 INFO L158 Benchmark]: RCFGBuilder took 441.47ms. Allocated memory is still 176.2MB. Free memory was 143.9MB in the beginning and 124.2MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:57:40,163 INFO L158 Benchmark]: CodeCheck took 582.31ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 95.7MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 01:57:40,164 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 176.2MB. Free memory was 95.7MB in the beginning and 94.8MB in the end (delta: 865.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:40,168 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] float var_1_6 = 2.375; [L25] float var_1_7 = 10.8; [L26] double var_1_9 = 9.6; [L27] double var_1_12 = 128.5; [L28] unsigned char var_1_13 = 128; [L29] float var_1_14 = 8.5; [L30] unsigned char var_1_15 = 128; [L31] unsigned char last_1_var_1_13 = 128; [L81] isInitial = 1 [L82] FCALL initially() [L83] COND TRUE 1 [L84] CALL updateLastVariables() [L74] last_1_var_1_13 = var_1_13 [L84] RET updateLastVariables() [L85] CALL updateVariables() [L57] var_1_4 = __VERIFIER_nondet_uchar() [L58] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L59] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L60] var_1_6 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5] [L62] var_1_7 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L64] var_1_12 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L66] var_1_14 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L68] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L69] var_1_15 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L71] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L85] RET updateVariables() [L86] CALL step() [L35] COND TRUE ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13) [L36] var_1_9 = var_1_12 [L38] COND TRUE var_1_9 <= (16.2f / var_1_14) [L39] var_1_13 = (var_1_15 - 5) [L41] unsigned char stepLocal_0 = var_1_9 > var_1_9; [L42] COND TRUE stepLocal_0 && var_1_4 [L43] COND FALSE !(((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9) [L50] var_1_1 = var_1_13 [L86] RET step() [L87] CALL, EXPR property() [L77-L78] return ((((var_1_9 > var_1_9) && var_1_4) ? ((((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9) ? ((! (var_1_9 >= (var_1_6 - var_1_7))) ? (var_1_1 == ((unsigned long int) var_1_13)) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) && ((((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13)) ? (var_1_9 == ((double) var_1_12)) : 1)) && ((var_1_9 <= (16.2f / var_1_14)) ? (var_1_13 == ((unsigned char) (var_1_15 - 5))) : 1) ; [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=128, var_1_12=2, var_1_13=128, var_1_15=133, var_1_1=128, var_1_4=1, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=128, var_1_12=2, var_1_13=128, var_1_15=133, var_1_1=128, var_1_4=1, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.00ms. Allocated memory is still 176.2MB. Free memory was 146.9MB in the beginning and 147.2MB in the end (delta: -327.8kB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.97ms. Allocated memory is still 176.2MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.48ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 143.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.47ms. Allocated memory is still 176.2MB. Free memory was 143.9MB in the beginning and 124.2MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 582.31ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 95.7MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 176.2MB. Free memory was 95.7MB in the beginning and 94.8MB in the end (delta: 865.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:57:40,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9 --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 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:57:42,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:57:42,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:57:42,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:57:42,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:57:42,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:57:42,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:57:42,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:57:42,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:57:42,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:57:42,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:57:42,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:57:42,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:57:42,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:57:42,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:57:42,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:57:42,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:57:42,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:57:42,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:57:42,279 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:57:42,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:57:42,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:57:42,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:57:42,281 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:57:42,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:57:42,282 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:42,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:57:42,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:57:42,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:42,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:57:42,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:57:42,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:57:42,285 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:57:42,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:42,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:57:42,286 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:57:42,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:57:42,287 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0106173d0264f3b7073aa037c767f5a06a37b054d6eaa32bc9517002adc60cc2 [2023-12-03 01:57:42,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:57:42,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:57:42,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:57:42,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:57:42,621 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:57:42,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2023-12-03 01:57:45,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:57:45,727 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:57:45,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i [2023-12-03 01:57:45,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data/97307ced0/5c49a72ebcb2406eb8a9228d31679559/FLAGf71643737 [2023-12-03 01:57:45,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/data/97307ced0/5c49a72ebcb2406eb8a9228d31679559 [2023-12-03 01:57:45,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:57:45,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:57:45,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:45,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:57:45,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:57:45,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:45" (1/1) ... [2023-12-03 01:57:45,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c012e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:45, skipping insertion in model container [2023-12-03 01:57:45,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:45" (1/1) ... [2023-12-03 01:57:45,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:57:45,940 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2023-12-03 01:57:45,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:45,988 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:57:46,001 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-36.i[915,928] [2023-12-03 01:57:46,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:46,037 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:57:46,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46 WrapperNode [2023-12-03 01:57:46,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:46,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:46,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:57:46,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:57:46,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,082 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2023-12-03 01:57:46,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:46,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:57:46,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:57:46,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:57:46,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:57:46,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:57:46,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:57:46,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:57:46,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:46" (1/1) ... [2023-12-03 01:57:46,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:46,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:57:46,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:57:46,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:57:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:57:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:57:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:57:46,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:57:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:57:46,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:57:46,271 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:57:46,274 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:57:52,132 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:57:52,209 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:57:52,209 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:57:52,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:52 BoogieIcfgContainer [2023-12-03 01:57:52,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:57:52,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:57:52,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:57:52,222 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:57:52,222 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:52" (1/1) ... [2023-12-03 01:57:52,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:57:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-12-03 01:57:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-12-03 01:57:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:57:52,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:52,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:52,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:52,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:52,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:57:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:53,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:53,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:57:53,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 35 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 01:58:13,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:58:16,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:58:19,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:58:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 68 transitions. [2023-12-03 01:58:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2023-12-03 01:58:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:58:19,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:19,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:19,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:19,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:58:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:20,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:20,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:58:20,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 01:59:00,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:59:06,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:59:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 01:59:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 01:59:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:59:07,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:07,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:07,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:07,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:07,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:59:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:08,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:59:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:08,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:59:08,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 01:59:52,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:59:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 01:59:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 01:59:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:59:53,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:53,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:53,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:53,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:53,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:59:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:54,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:59:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:55,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:59:55,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:00:36,277 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:00:36,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:00:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:00:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:00:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:00:36,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:36,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:36,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:36,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:36,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:00:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:37,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:00:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:37,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:00:37,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:01:21,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:01:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:01:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:01:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:01:21,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:21,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:21,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:21,218 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:21,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:01:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:22,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:01:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:22,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:01:22,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:02:02,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:02:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:02,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:02:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:02:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:02:02,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:02,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:02,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:02,869 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:02,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:02:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:03,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:04,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:02:04,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:02:50,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:02:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:02:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:02:50,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:02:50,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:50,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:50,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:50,781 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:50,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:02:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:51,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:52,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:02:52,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:14,756 WARN L293 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:03:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:03:39,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:03:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:03:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:03:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:03:39,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:39,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:39,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:39,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:39,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:03:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:40,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:03:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:40,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:03:40,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:04:22,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:04:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:04:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:04:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:04:22,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:22,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:22,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:04:22,077 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:04:22,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:04:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:23,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:04:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:23,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:04:23,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:08,786 WARN L293 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:05:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:05:13,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:05:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:05:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:05:13,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:05:13,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:13,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:13,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:13,226 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:13,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:05:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:14,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:14,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:05:14,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:06:03,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:06:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:06:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:06:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:06:03,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:03,190 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:06:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:04,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:04,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:06:04,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:06:49,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:06:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:06:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:06:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:06:49,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:49,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:49,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:49,233 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:49,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:06:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:50,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:50,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:06:50,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:07:40,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:07:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:07:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:07:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:07:40,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:40,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:40,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:40,918 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:40,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:07:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:42,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:42,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:07:42,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:08:30,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 02:08:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:30,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:08:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:08:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:08:30,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:30,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:30,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:30,410 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:30,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:08:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:31,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:31,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:08:31,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:09:15,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:09:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:09:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:09:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:09:15,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:15,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:15,686 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:15,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:09:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:16,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:17,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:09:17,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:10:02,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:10:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:10:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:10:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:10:02,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:02,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:02,202 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:02,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:10:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:03,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:03,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:10:03,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:10:46,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:10:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:10:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:10:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:10:46,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:46,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:46,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:46,951 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:46,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:10:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:48,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:48,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:10:48,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:09,065 WARN L293 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:11:18,422 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:11:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:11:40,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:11:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:11:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:11:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:11:40,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:40,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:40,761 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:40,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:11:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:41,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:42,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:11:42,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:58,708 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:12:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 02:12:39,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:12:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 02:12:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 02:12:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:12:39,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:39,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:39,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:39,995 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:39,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d9ea40-dc81-4057-b4dc-5a55fd9b4ef2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:12:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:41,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:41,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:12:41,419 INFO L285 TraceCheckSpWp]: Computing forward predicates...