./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:16:46,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:16:46,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:16:46,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:16:46,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:16:46,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:16:46,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:16:46,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:16:46,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:16:46,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:16:46,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:16:46,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:16:46,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:16:46,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:16:46,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:16:46,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:16:46,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:16:46,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:16:46,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:16:46,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:16:46,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:16:46,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:16:46,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:16:46,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:16:46,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:16:46,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:16:46,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:16:46,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:16:46,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:16:46,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:16:46,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:16:46,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:16:46,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:16:46,913 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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 [2023-12-03 02:16:47,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:16:47,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:16:47,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:16:47,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:16:47,152 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:16:47,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2023-12-03 02:16:49,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:16:50,010 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:16:50,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2023-12-03 02:16:50,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data/6aa5e0c9d/fd04e09d022a454db954aad42976df63/FLAG0e17f51c5 [2023-12-03 02:16:50,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data/6aa5e0c9d/fd04e09d022a454db954aad42976df63 [2023-12-03 02:16:50,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:16:50,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:16:50,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:16:50,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:16:50,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:16:50,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2507f1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50, skipping insertion in model container [2023-12-03 02:16:50,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:16:50,213 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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2023-12-03 02:16:50,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:16:50,249 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:16:50,262 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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2023-12-03 02:16:50,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:16:50,288 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:16:50,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50 WrapperNode [2023-12-03 02:16:50,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:16:50,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:16:50,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:16:50,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:16:50,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,326 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2023-12-03 02:16:50,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:16:50,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:16:50,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:16:50,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:16:50,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:16:50,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:16:50,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:16:50,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:16:50,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:16:50,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:16:50,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:16:50,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:16:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:16:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:16:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:16:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:16:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:16:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:16:50,473 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:16:50,475 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:16:50,615 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:16:50,683 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:16:50,683 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:16:50,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:50 BoogieIcfgContainer [2023-12-03 02:16:50,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:16:50,685 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:16:50,685 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:16:50,693 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:16:50,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:50" (1/1) ... [2023-12-03 02:16:50,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:16:50,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-03 02:16:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-03 02:16:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:16:50,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:50,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:16:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:50,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:16:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:51,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:16:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:51,140 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:16:51,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:16:51 ImpRootNode [2023-12-03 02:16:51,176 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:16:51,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:16:51,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:16:51,177 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:16:51,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:50" (3/4) ... [2023-12-03 02:16:51,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:16:51,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:16:51,182 INFO L158 Benchmark]: Toolchain (without parser) took 1142.51ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 77.9MB in the beginning and 120.0MB in the end (delta: -42.0MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2023-12-03 02:16:51,183 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:16:51,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.49ms. Allocated memory is still 123.7MB. Free memory was 77.5MB in the beginning and 66.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:16:51,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.30ms. Allocated memory is still 123.7MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:16:51,185 INFO L158 Benchmark]: Boogie Preprocessor took 19.37ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 63.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:16:51,185 INFO L158 Benchmark]: RCFGBuilder took 338.17ms. Allocated memory is still 123.7MB. Free memory was 63.7MB in the beginning and 49.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:16:51,186 INFO L158 Benchmark]: CodeCheck took 491.10ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 49.0MB in the beginning and 120.9MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:16:51,187 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 120.0MB in the end (delta: 892.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:16:51,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 33 NumberOfCodeBlocks, 33 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 someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 2.2; [L23] signed long int var_1_2 = 32; [L24] signed long int var_1_3 = 5; [L25] signed long int var_1_4 = 5; [L26] double var_1_6 = 63.2; [L27] double var_1_7 = 25.2; [L28] unsigned long int var_1_8 = 128; [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_long() [L42] CALL assume_abort_if_not(var_1_2 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not(var_1_2 >= -1) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L43] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L44] var_1_3 = __VERIFIER_nondet_long() [L45] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L46] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L47] var_1_4 = __VERIFIER_nondet_long() [L48] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L49] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L50] var_1_6 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_7=126/5, var_1_8=128] [L52] var_1_7 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_8=128] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=11/5, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_8=128] [L66] RET updateVariables() [L67] CALL step() [L32] var_1_8 = var_1_4 [L33] signed long int stepLocal_0 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4; [L34] COND FALSE !(stepLocal_0 >= var_1_8) [L37] var_1_1 = var_1_7 [L67] RET step() [L68] CALL, EXPR property() [L58-L59] return (((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) >= var_1_8) ? (var_1_1 == ((double) (((((var_1_6 - var_1_7) < 0 ) ? -(var_1_6 - var_1_7) : (var_1_6 - var_1_7))) - 0.8))) : (var_1_1 == ((double) var_1_7))) && (var_1_8 == ((unsigned long int) var_1_4)) ; [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_7=2, var_1_8=7630] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=15259, var_1_3=15259, var_1_4=7630, var_1_7=2, var_1_8=7630] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.49ms. Allocated memory is still 123.7MB. Free memory was 77.5MB in the beginning and 66.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.30ms. Allocated memory is still 123.7MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.37ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 63.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.17ms. Allocated memory is still 123.7MB. Free memory was 63.7MB in the beginning and 49.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 491.10ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 49.0MB in the beginning and 120.9MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 120.0MB in the end (delta: 892.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:16:51,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:16:53,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:16:53,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:16:53,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:16:53,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:16:53,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:16:53,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:16:53,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:16:53,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:16:53,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:16:53,235 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:16:53,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:16:53,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:16:53,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:16:53,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:16:53,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:16:53,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:16:53,239 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:16:53,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:16:53,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:16:53,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:16:53,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:16:53,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:16:53,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:16:53,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:16:53,243 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:53,243 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:16:53,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:16:53,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:16:53,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:16:53,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:16:53,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:16:53,246 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:16:53,246 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:53,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:16:53,247 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:16:53,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:16:53,247 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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 [2023-12-03 02:16:53,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:16:53,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:16:53,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:16:53,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:16:53,580 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:16:53,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2023-12-03 02:16:56,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:16:56,527 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:16:56,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2023-12-03 02:16:56,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data/339a2adf7/5f3b43080e1d4e8086c67f5e3a85f82b/FLAGd65784051 [2023-12-03 02:16:56,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/data/339a2adf7/5f3b43080e1d4e8086c67f5e3a85f82b [2023-12-03 02:16:56,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:16:56,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:16:56,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:16:56,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:16:56,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:16:56,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfa2bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56, skipping insertion in model container [2023-12-03 02:16:56,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:16:56,736 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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2023-12-03 02:16:56,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:16:56,778 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:16:56,791 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_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2023-12-03 02:16:56,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:16:56,820 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:16:56,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56 WrapperNode [2023-12-03 02:16:56,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:16:56,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:16:56,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:16:56,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:16:56,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,863 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2023-12-03 02:16:56,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:16:56,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:16:56,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:16:56,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:16:56,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:16:56,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:16:56,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:16:56,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:16:56,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:56" (1/1) ... [2023-12-03 02:16:56,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:16:56,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:16:56,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:16:56,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:16:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:16:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:16:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:16:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:16:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:16:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:16:57,046 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:16:57,048 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:16:57,933 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:16:58,001 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:16:58,002 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:16:58,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:58 BoogieIcfgContainer [2023-12-03 02:16:58,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:16:58,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:16:58,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:16:58,015 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:16:58,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:58" (1/1) ... [2023-12-03 02:16:58,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:16:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-03 02:16:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-03 02:16:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:16:58,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:58,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:58,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:58,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:58,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:16:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:58,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:01,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:17:01,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:46,188 WARN L293 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:18:02,553 WARN L293 SmtUtils]: Spent 5.76s 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 02:18:08,930 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:18:15,668 WARN L293 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:18:31,979 WARN L293 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:18:37,321 WARN L293 SmtUtils]: Spent 5.34s 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 02:18:48,102 WARN L293 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:18:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 02:18:53,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:18:58,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:19:00,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:19:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-03 02:19:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-03 02:19:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:19:00,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:00,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:00,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:00,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:00,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:19:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:01,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:04,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:19:04,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:34,411 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:19:42,513 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:19:54,143 WARN L293 SmtUtils]: Spent 9.25s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:20:11,096 WARN L293 SmtUtils]: Spent 6.12s 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 02:20:20,207 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:20:26,612 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:20:41,646 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:20:48,525 WARN L293 SmtUtils]: Spent 6.88s 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 02:21:00,500 WARN L293 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:21:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 02:21:06,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:21:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-03 02:21:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-03 02:21:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:21:07,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:07,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:07,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:07,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:07,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:21:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:07,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:11,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:21:11,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:07,418 WARN L293 SmtUtils]: Spent 7.26s 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 02:22:14,022 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:22:37,459 WARN L293 SmtUtils]: Spent 8.24s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:22:43,387 WARN L293 SmtUtils]: Spent 5.93s 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 02:22:53,628 WARN L293 SmtUtils]: Spent 6.92s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:22:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 02:22:59,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:22:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:59,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-03 02:22:59,799 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-03 02:22:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:22:59,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:59,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:59,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:59,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:59,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:23:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:00,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:03,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:23:03,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:34,063 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:23:42,155 WARN L293 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:24:03,293 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:24:10,863 WARN L293 SmtUtils]: Spent 7.57s 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 02:24:18,526 WARN L293 SmtUtils]: Spent 7.66s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:24:44,465 WARN L293 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:24:51,278 WARN L293 SmtUtils]: Spent 6.81s 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 02:25:02,360 WARN L293 SmtUtils]: Spent 7.32s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:25:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 02:25:10,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:25:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:10,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-03 02:25:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-03 02:25:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:25:10,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:10,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:10,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:10,788 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:10,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:25:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:11,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:14,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:14,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:25,386 WARN L293 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:25:40,768 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:25:57,194 WARN L293 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:26:18,536 WARN L293 SmtUtils]: Spent 6.97s 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 02:26:25,596 WARN L293 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:26:34,195 WARN L293 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:26:54,782 WARN L293 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:27:03,796 WARN L293 SmtUtils]: Spent 9.01s 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 02:27:09,454 WARN L293 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:27:18,431 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:27:27,456 WARN L293 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:27:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 02:27:27,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:27:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-03 02:27:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-03 02:27:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:27:27,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:27,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:27,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:27,483 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:27,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:27:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:28,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:31,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:31,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:41,435 WARN L293 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:28:12,023 WARN L293 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:28:20,899 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:28:33,226 WARN L293 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:28:41,417 WARN L293 SmtUtils]: Spent 8.19s 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 02:28:51,009 WARN L293 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:29:00,312 WARN L293 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:29:22,289 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:29:31,511 WARN L293 SmtUtils]: Spent 9.22s 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 02:29:41,724 WARN L293 SmtUtils]: Spent 6.52s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:29:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 02:29:50,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:29:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-03 02:29:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-03 02:29:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:29:50,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:50,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:50,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:50,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:50,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:29:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:51,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:54,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:54,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:34,863 WARN L293 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:30:48,618 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:30:55,472 WARN L293 SmtUtils]: Spent 6.85s 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 02:31:01,550 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:31:08,511 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:31:23,875 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:31:30,684 WARN L293 SmtUtils]: Spent 6.81s 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 02:31:42,212 WARN L293 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:31:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 02:31:50,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:31:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-03 02:31:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-03 02:31:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:31:50,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:50,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:50,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:50,067 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:50,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cb9e5-36a0-4b6d-95ed-c9114267e185/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:31:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:50,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:54,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:54,292 INFO L285 TraceCheckSpWp]: Computing forward predicates...