./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.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_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/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_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/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_b762cb80-6797-45e2-8115-e9c30a6becc3/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 3db5e6ee1090a5741e563a010c3676d5357df7fec89fabe5a888b2d307357a0e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:34:22,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:34:22,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:34:22,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:34:22,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:34:22,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:34:22,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:34:22,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:34:22,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:34:22,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:34:22,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:34:22,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:34:22,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:34:22,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:34:22,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:34:22,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:34:22,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:34:22,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:34:22,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:34:22,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:34:22,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:34:22,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:34:22,522 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:34:22,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:34:22,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:34:22,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:34:22,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:22,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:34:22,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:34:22,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:34:22,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:34:22,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:34:22,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:34:22,527 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_b762cb80-6797-45e2-8115-e9c30a6becc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3db5e6ee1090a5741e563a010c3676d5357df7fec89fabe5a888b2d307357a0e [2023-12-03 03:34:22,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:34:22,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:34:22,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:34:22,758 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:34:22,758 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:34:22,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i [2023-12-03 03:34:25,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:34:25,882 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:34:25,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i [2023-12-03 03:34:25,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data/7cb8628df/2f4a9cc3bfbf4c3a9fbb0731bb7c0756/FLAG19d33a9df [2023-12-03 03:34:25,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data/7cb8628df/2f4a9cc3bfbf4c3a9fbb0731bb7c0756 [2023-12-03 03:34:25,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:34:25,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:34:25,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:25,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:34:25,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:34:25,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:25" (1/1) ... [2023-12-03 03:34:25,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3c647e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:25, skipping insertion in model container [2023-12-03 03:34:25,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:25" (1/1) ... [2023-12-03 03:34:26,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:34:26,434 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_b762cb80-6797-45e2-8115-e9c30a6becc3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i[33022,33035] [2023-12-03 03:34:26,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:26,642 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:34:26,675 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_b762cb80-6797-45e2-8115-e9c30a6becc3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i[33022,33035] [2023-12-03 03:34:26,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:26,815 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:26,823 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:34:26,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26 WrapperNode [2023-12-03 03:34:26,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:26,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:26,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:34:26,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:34:26,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,993 INFO L138 Inliner]: procedures = 177, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3295 [2023-12-03 03:34:26,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:26,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:34:26,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:34:26,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:34:27,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:34:27,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:34:27,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:34:27,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:34:27,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:34:27,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:34:27,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:34:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 03:34:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 03:34:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:34:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:34:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:34:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:34:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:34:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:34:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:34:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:34:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:34:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:34:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:34:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:34:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:34:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:34:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:34:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:34:27,541 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:34:27,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:34:31,557 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:34:35,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:34:35,658 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-12-03 03:34:35,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:34:35 BoogieIcfgContainer [2023-12-03 03:34:35,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:34:35,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:34:35,661 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:34:35,671 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:34:35,671 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:34:35" (1/1) ... [2023-12-03 03:34:35,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:34:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 286 states and 498 transitions. [2023-12-03 03:34:35,745 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 498 transitions. [2023-12-03 03:34:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:34:35,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:35,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 286 states and 494 transitions. [2023-12-03 03:34:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 494 transitions. [2023-12-03 03:34:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:34:35,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:35,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:36,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 286 states and 490 transitions. [2023-12-03 03:34:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 490 transitions. [2023-12-03 03:34:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:34:36,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 288 states and 491 transitions. [2023-12-03 03:34:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 491 transitions. [2023-12-03 03:34:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:34:36,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:36,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:36,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:36,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:46,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:34:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 288 states and 486 transitions. [2023-12-03 03:34:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 486 transitions. [2023-12-03 03:34:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 03:34:46,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:46,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:46,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:46,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 288 states and 482 transitions. [2023-12-03 03:34:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 482 transitions. [2023-12-03 03:34:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:34:46,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:47,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:47,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 288 states and 476 transitions. [2023-12-03 03:34:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 476 transitions. [2023-12-03 03:34:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:34:47,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:47,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:47,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:57,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:34:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 288 states and 470 transitions. [2023-12-03 03:34:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 470 transitions. [2023-12-03 03:34:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:34:57,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:57,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:57,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:34:57,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:08,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:18,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:28,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:38,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:38,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2023-12-03 03:35:38,234 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2023-12-03 03:35:38,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:35:38,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:38,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:38,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:35:38,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 302 states and 486 transitions. [2023-12-03 03:35:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 486 transitions. [2023-12-03 03:35:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:35:38,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:38,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:38,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:35:38,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 302 states and 484 transitions. [2023-12-03 03:35:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 484 transitions. [2023-12-03 03:35:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:35:38,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:38,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:39,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:35:39,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:49,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 302 states and 482 transitions. [2023-12-03 03:35:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 482 transitions. [2023-12-03 03:35:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:35:49,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:49,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:49,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:35:49,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:59,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:09,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:19,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:29,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 305 states and 484 transitions. [2023-12-03 03:36:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 484 transitions. [2023-12-03 03:36:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:36:29,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:30,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:36:30,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 305 states and 479 transitions. [2023-12-03 03:36:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 479 transitions. [2023-12-03 03:36:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:36:30,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:30,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:30,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:36:30,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:30,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 03:36:30,704 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:36:30,706 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 03:36:30,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 03:36:30,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 03:36:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:36:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 308 states and 485 transitions. [2023-12-03 03:36:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 485 transitions. [2023-12-03 03:36:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:36:31,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:31,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:31,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:36:31,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 308 states and 479 transitions. [2023-12-03 03:36:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 479 transitions. [2023-12-03 03:36:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:36:31,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:31,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:31,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:36:31,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:41,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:42,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 308 states and 473 transitions. [2023-12-03 03:36:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 473 transitions. [2023-12-03 03:36:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:36:42,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:42,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:42,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:36:42,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:52,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:02,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:12,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:22,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 333 states and 502 transitions. [2023-12-03 03:37:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2023-12-03 03:37:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:37:23,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:23,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:23,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:37:23,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 333 states and 500 transitions. [2023-12-03 03:37:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 500 transitions. [2023-12-03 03:37:23,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:37:23,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:23,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:37:23,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 333 states and 498 transitions. [2023-12-03 03:37:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 498 transitions. [2023-12-03 03:37:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:37:23,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:23,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:24,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:37:24,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:34,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 333 states and 496 transitions. [2023-12-03 03:37:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 496 transitions. [2023-12-03 03:37:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:37:34,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:34,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:34,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:37:34,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 333 states and 494 transitions. [2023-12-03 03:37:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 494 transitions. [2023-12-03 03:37:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:37:34,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:34,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:35,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:37:35,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:37:45,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:55,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:05,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:15,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 336 states and 496 transitions. [2023-12-03 03:38:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 496 transitions. [2023-12-03 03:38:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 03:38:15,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:15,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:15,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:38:15,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:38:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 336 states and 495 transitions. [2023-12-03 03:38:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 495 transitions. [2023-12-03 03:38:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 03:38:15,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:15,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:16,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:16,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:38:27,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:37,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:47,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:57,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 350 states and 514 transitions. [2023-12-03 03:38:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 514 transitions. [2023-12-03 03:38:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 03:38:57,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:57,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:57,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:57,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:39:08,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:18,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:28,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:38,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:49,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:59,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:09,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:19,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:29,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:39,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:49,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:59,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 422 states and 610 transitions. [2023-12-03 03:40:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 610 transitions. [2023-12-03 03:40:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 03:40:59,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:59,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:00,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:00,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:41:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 422 states and 606 transitions. [2023-12-03 03:41:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 606 transitions. [2023-12-03 03:41:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 03:41:00,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:00,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:00,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:00,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:41:10,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 422 states and 604 transitions. [2023-12-03 03:41:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 604 transitions. [2023-12-03 03:41:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:41:10,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:10,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:11,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:11,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:41:21,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:31,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:41,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:51,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:51,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 425 states and 606 transitions. [2023-12-03 03:41:51,397 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 606 transitions. [2023-12-03 03:41:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:41:51,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:51,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:51,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:51,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:41:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:51,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 425 states and 604 transitions. [2023-12-03 03:41:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 604 transitions. [2023-12-03 03:41:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:41:51,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:51,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:52,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:52,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:42:02,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:12,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:22,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:32,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 428 states and 606 transitions. [2023-12-03 03:42:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 606 transitions. [2023-12-03 03:42:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:42:32,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:32,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:42:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:33,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:42:33,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:42:43,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:53,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:03,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:13,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 431 states and 608 transitions. [2023-12-03 03:43:13,272 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 608 transitions. [2023-12-03 03:43:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:43:13,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:13,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:13,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:13,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:23,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:33,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:43,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:53,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 434 states and 610 transitions. [2023-12-03 03:43:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 610 transitions. [2023-12-03 03:43:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 03:43:53,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:54,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:54,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:43:54,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 443 states and 617 transitions. [2023-12-03 03:43:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 617 transitions. [2023-12-03 03:43:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 03:43:54,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:54,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:55,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:55,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:44:06,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:16,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:26,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:36,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 475 states and 656 transitions. [2023-12-03 03:44:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 656 transitions. [2023-12-03 03:44:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 03:44:36,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:36,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:36,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:36,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:44:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:37,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 484 states and 667 transitions. [2023-12-03 03:44:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 667 transitions. [2023-12-03 03:44:37,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 03:44:37,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:37,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:37,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:37,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 03:44:38,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 03:44:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 485 states and 669 transitions. [2023-12-03 03:44:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 669 transitions. [2023-12-03 03:44:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 03:44:38,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:38,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:39,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:39,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 03:44:49,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:59,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:09,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:19,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 488 states and 671 transitions. [2023-12-03 03:45:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 671 transitions. [2023-12-03 03:45:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 03:45:19,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:19,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:20,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:45:20,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:45:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 488 states and 669 transitions. [2023-12-03 03:45:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 669 transitions. [2023-12-03 03:45:20,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 03:45:20,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:20,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:20,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:45:20,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:45:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 491 states and 671 transitions. [2023-12-03 03:45:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 671 transitions. [2023-12-03 03:45:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 03:45:21,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:21,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:45:31,810 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:45:31,813 INFO L158 Benchmark]: Toolchain (without parser) took 665880.49ms. Allocated memory was 190.8MB in the beginning and 411.0MB in the end (delta: 220.2MB). Free memory was 160.5MB in the beginning and 233.1MB in the end (delta: -72.6MB). Peak memory consumption was 147.7MB. Max. memory is 16.1GB. [2023-12-03 03:45:31,813 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:31,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.42ms. Allocated memory is still 190.8MB. Free memory was 159.6MB in the beginning and 107.9MB in the end (delta: 51.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-03 03:45:31,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.98ms. Allocated memory is still 190.8MB. Free memory was 107.9MB in the beginning and 89.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:45:31,814 INFO L158 Benchmark]: Boogie Preprocessor took 152.71ms. Allocated memory is still 190.8MB. Free memory was 89.2MB in the beginning and 70.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:45:31,815 INFO L158 Benchmark]: RCFGBuilder took 8512.64ms. Allocated memory was 190.8MB in the beginning and 411.0MB in the end (delta: 220.2MB). Free memory was 70.2MB in the beginning and 175.4MB in the end (delta: -105.2MB). Peak memory consumption was 165.8MB. Max. memory is 16.1GB. [2023-12-03 03:45:31,815 INFO L158 Benchmark]: CodeCheck took 656151.20ms. Allocated memory is still 411.0MB. Free memory was 175.4MB in the beginning and 233.1MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:31,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.42ms. Allocated memory is still 190.8MB. Free memory was 159.6MB in the beginning and 107.9MB in the end (delta: 51.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.98ms. Allocated memory is still 190.8MB. Free memory was 107.9MB in the beginning and 89.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.71ms. Allocated memory is still 190.8MB. Free memory was 89.2MB in the beginning and 70.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8512.64ms. Allocated memory was 190.8MB in the beginning and 411.0MB in the end (delta: 220.2MB). Free memory was 70.2MB in the beginning and 175.4MB in the end (delta: -105.2MB). Peak memory consumption was 165.8MB. Max. memory is 16.1GB. * CodeCheck took 656151.20ms. Allocated memory is still 411.0MB. Free memory was 175.4MB in the beginning and 233.1MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:45:32,027 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:45:32,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/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_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/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_b762cb80-6797-45e2-8115-e9c30a6becc3/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 3db5e6ee1090a5741e563a010c3676d5357df7fec89fabe5a888b2d307357a0e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:45:33,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:45:33,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:45:33,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:45:33,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:45:33,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:45:33,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:45:33,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:45:33,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:45:33,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:45:33,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:45:33,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:45:33,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:45:33,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:45:33,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:45:33,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:45:33,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:45:33,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:45:33,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:45:33,868 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:45:33,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:45:33,870 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:45:33,870 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:45:33,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:45:33,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:45:33,872 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:33,872 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:45:33,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:45:33,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:33,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:45:33,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:45:33,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:45:33,875 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:45:33,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:33,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:45:33,876 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:45:33,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:45:33,876 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_b762cb80-6797-45e2-8115-e9c30a6becc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3db5e6ee1090a5741e563a010c3676d5357df7fec89fabe5a888b2d307357a0e [2023-12-03 03:45:34,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:45:34,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:45:34,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:45:34,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:45:34,207 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:45:34,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i [2023-12-03 03:45:37,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:45:37,326 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:45:37,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i [2023-12-03 03:45:37,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data/1a3ae9e56/b60633c48c024dafbb18bac573a2121c/FLAGe68cceac4 [2023-12-03 03:45:37,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/data/1a3ae9e56/b60633c48c024dafbb18bac573a2121c [2023-12-03 03:45:37,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:45:37,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:45:37,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:37,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:45:37,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:45:37,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:37" (1/1) ... [2023-12-03 03:45:37,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7dc162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:37, skipping insertion in model container [2023-12-03 03:45:37,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:37" (1/1) ... [2023-12-03 03:45:37,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:45:37,907 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_b762cb80-6797-45e2-8115-e9c30a6becc3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i[33022,33035] [2023-12-03 03:45:38,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:38,168 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:45:38,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:45:38,211 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_b762cb80-6797-45e2-8115-e9c30a6becc3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i[33022,33035] [2023-12-03 03:45:38,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:38,326 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:45:38,356 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_b762cb80-6797-45e2-8115-e9c30a6becc3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i[33022,33035] [2023-12-03 03:45:38,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:38,492 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:45:38,500 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:45:38,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38 WrapperNode [2023-12-03 03:45:38,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:38,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:38,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:45:38,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:45:38,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,625 INFO L138 Inliner]: procedures = 180, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2343 [2023-12-03 03:45:38,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:38,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:45:38,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:45:38,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:45:38,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:45:38,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:45:38,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:45:38,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:45:38,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:38" (1/1) ... [2023-12-03 03:45:38,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:38,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:45:38,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:45:38,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:45:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:45:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 03:45:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 03:45:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:45:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:45:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:45:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:45:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:45:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:45:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:45:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:45:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:45:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:45:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:45:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:45:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:45:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:45:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:45:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:45:39,121 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:45:39,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:46:08,118 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:46:09,008 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:46:09,008 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-12-03 03:46:09,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:46:09 BoogieIcfgContainer [2023-12-03 03:46:09,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:46:09,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:46:09,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:46:09,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:46:09,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:46:09" (1/1) ... [2023-12-03 03:46:09,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:46:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 286 states and 498 transitions. [2023-12-03 03:46:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 498 transitions. [2023-12-03 03:46:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:46:09,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:09,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:09,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:09,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:09,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:46:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:09,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:09,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:09,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:09,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 286 states and 494 transitions. [2023-12-03 03:46:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 494 transitions. [2023-12-03 03:46:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:46:09,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:09,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:09,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:09,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:09,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:46:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:10,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:10,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:10,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:10,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:46:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 286 states and 490 transitions. [2023-12-03 03:46:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 490 transitions. [2023-12-03 03:46:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:46:10,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:10,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:10,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:10,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:10,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:46:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:10,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:10,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:10,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:10,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:46:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 286 states and 488 transitions. [2023-12-03 03:46:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 488 transitions. [2023-12-03 03:46:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:46:10,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:10,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:10,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:10,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:46:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:11,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:11,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:11,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:11,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:46:11,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:11,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 286 states and 486 transitions. [2023-12-03 03:46:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 486 transitions. [2023-12-03 03:46:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:46:11,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:11,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:11,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:11,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:11,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:46:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:12,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:12,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:46:12,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:12,207 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:46:12,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:46:12,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:46:12,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 03:46:12,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:46:12,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 03:46:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:12,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:46:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 288 states and 489 transitions. [2023-12-03 03:46:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 489 transitions. [2023-12-03 03:46:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:46:12,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:12,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:12,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:12,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:46:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:13,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:13,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:13,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:13,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:46:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 288 states and 486 transitions. [2023-12-03 03:46:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 486 transitions. [2023-12-03 03:46:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 03:46:13,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:13,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:13,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:13,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:13,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:46:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:13,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:14,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:14,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:14,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:46:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 288 states and 482 transitions. [2023-12-03 03:46:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 482 transitions. [2023-12-03 03:46:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:46:14,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:14,044 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:14,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:46:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:14,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:14,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:14,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:14,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:46:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 288 states and 476 transitions. [2023-12-03 03:46:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 476 transitions. [2023-12-03 03:46:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:46:14,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:14,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:14,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:14,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:14,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:46:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:15,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:15,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:15,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:15,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:46:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 288 states and 470 transitions. [2023-12-03 03:46:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 470 transitions. [2023-12-03 03:46:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:46:16,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:16,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:16,027 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:16,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:46:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:16,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:16,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:16,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:17,090 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:46:17,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2023-12-03 03:46:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2023-12-03 03:46:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:46:18,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:18,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:18,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:18,604 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:18,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:46:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:19,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:19,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:19,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:19,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:46:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 302 states and 486 transitions. [2023-12-03 03:46:19,558 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 486 transitions. [2023-12-03 03:46:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:46:19,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:19,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:19,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:19,561 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:19,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:46:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:20,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:20,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:20,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:20,528 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:46:20,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 302 states and 484 transitions. [2023-12-03 03:46:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 484 transitions. [2023-12-03 03:46:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:46:20,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:20,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:20,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:20,543 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:20,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:46:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:21,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:21,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:21,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:21,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 302 states and 482 transitions. [2023-12-03 03:46:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 482 transitions. [2023-12-03 03:46:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:46:21,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:21,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:21,569 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:21,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:46:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:22,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:22,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:22,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:22,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:46:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 305 states and 484 transitions. [2023-12-03 03:46:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 484 transitions. [2023-12-03 03:46:22,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:46:22,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:22,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:22,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:22,789 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:22,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:46:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:23,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:23,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:23,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:23,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 305 states and 479 transitions. [2023-12-03 03:46:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 479 transitions. [2023-12-03 03:46:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:46:23,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:23,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:23,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:23,803 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:23,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:46:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:24,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:25,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:46:25,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:25,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:46:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:25,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:25,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:25,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:25,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:25,041 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:25,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:46:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:25,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:26,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:26,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:26,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:46:26,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:26,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:26,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:26,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:26,659 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:26,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:46:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:27,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:27,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:27,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:27,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:27,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:27,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:27,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:27,974 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:27,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:46:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:28,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:29,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:29,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:29,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:46:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:29,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:29,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:29,468 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:29,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:46:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:30,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:30,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:30,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:30,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:46:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:30,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:30,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:30,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:30,978 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:30,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:46:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:32,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:32,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:32,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:32,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:46:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:32,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:32,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:32,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:32,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:32,467 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:32,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:46:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:33,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:34,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:34,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:34,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:46:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:34,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:34,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:34,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:34,050 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:34,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:46:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:35,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:35,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:35,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:35,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:35,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:35,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:35,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:35,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:35,724 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:35,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:46:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:36,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:37,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:37,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:37,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:46:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:37,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:37,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:37,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:37,341 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:46:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:38,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:39,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:39,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:39,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:46:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:39,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:39,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:39,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:39,141 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:39,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:46:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:40,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:40,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:40,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:40,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:40,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:40,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:40,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:40,861 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:40,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:46:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:42,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:42,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:42,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:42,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:42,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:42,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:42,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:42,449 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:42,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:46:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:43,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:44,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:44,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:44,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:46:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:44,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:44,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:44,276 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:44,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:46:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:45,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:46,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:46,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:46,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:46:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:46,201 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:46,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:46,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:46,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:46,203 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:46,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:46:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:47,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:47,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:47,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:48,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:48,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:48,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:48,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:48,022 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:48,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:46:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:49,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:49,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:49,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:49,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:46:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:49,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:49,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:49,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:49,882 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:49,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:46:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:51,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:51,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:51,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:51,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:46:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:51,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:51,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:51,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:51,797 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:51,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:46:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:53,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:53,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:53,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:53,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:46:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:53,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:53,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:53,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:53,527 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:53,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:46:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:55,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:55,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:55,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:55,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:46:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:55,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:55,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:55,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:55,470 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:55,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:46:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:57,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:57,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:57,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:57,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:46:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:57,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:57,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:57,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:57,559 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:57,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:46:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:59,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:59,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:59,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:46:59,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:46:59,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:46:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:46:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:59,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:59,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:59,772 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:59,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:47:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:01,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:01,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:01,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:01,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:47:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:01,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:01,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:01,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:01,986 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:01,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:47:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:03,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:03,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:03,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:03,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:47:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:04,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:04,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:04,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:04,002 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:04,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:47:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:05,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:06,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:06,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:06,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:47:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:06,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:06,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:06,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:06,179 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:06,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:47:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:07,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:08,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:08,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:08,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:47:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:08,271 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:08,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:08,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:08,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:08,272 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:08,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:47:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:10,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:10,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:10,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:10,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:47:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:10,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:10,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:10,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:10,464 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:10,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:47:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:12,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:12,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:12,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:12,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:47:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:12,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:12,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:12,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:12,694 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:12,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:47:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:14,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:15,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:15,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:15,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:47:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:15,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:15,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:15,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:15,161 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:15,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:47:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:17,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:17,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:17,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:17,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:47:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:17,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:17,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:17,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:17,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:17,536 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:17,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:47:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:19,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:19,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:19,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:20,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:47:20,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:20,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:20,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:20,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:20,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:20,014 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:20,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:47:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:22,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:22,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:22,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:22,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:47:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:22,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:22,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:22,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:22,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:22,464 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:22,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:47:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:24,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:25,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:25,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:25,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:25,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:25,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:25,068 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:25,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:47:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:27,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:27,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:27,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:27,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:27,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:27,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:27,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:27,733 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:27,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:47:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:29,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:30,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:30,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:30,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:47:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:30,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:30,302 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:30,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:47:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:32,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:32,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:32,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:32,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:47:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:33,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:33,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:33,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:33,005 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:33,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:47:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:34,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:35,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:35,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:35,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:35,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:35,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:35,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:35,364 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:35,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:47:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:37,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:38,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:38,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:38,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:47:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:38,058 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:38,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:38,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:38,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:38,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:38,059 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:38,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:47:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:40,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:40,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:40,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:40,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:47:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:40,999 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:41,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:41,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:41,001 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:41,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:47:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:43,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:43,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:43,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:43,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:47:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:43,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:43,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:43,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:43,573 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:43,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:47:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:45,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:46,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:46,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:46,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 03:47:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:46,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:46,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:46,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:46,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:46,159 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:46,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:47:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:48,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:49,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:49,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:49,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:49,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:49,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:49,106 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:49,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:47:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:51,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:51,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:51,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:51,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:47:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:51,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:51,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:51,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:51,905 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:51,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:47:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:54,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:54,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:54,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:54,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 03:47:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:54,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:54,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:54,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:54,834 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:54,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:47:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:57,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:57,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:57,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:57,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:47:57,871 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:47:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:57,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:57,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:57,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:57,873 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:57,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:48:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:00,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:01,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:01,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:01,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 03:48:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:01,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:01,089 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:01,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:48:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:03,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:04,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:04,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:04,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:48:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:04,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:04,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:04,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:04,299 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:04,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:48:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:06,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:07,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:07,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:07,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 03:48:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:07,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:07,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:07,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:07,366 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:07,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:48:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:10,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:10,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:10,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:10,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 03:48:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:10,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:10,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:10,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:10,684 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:10,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:48:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:13,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:13,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:13,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:13,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 03:48:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:13,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:13,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:13,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:13,793 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:13,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:48:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:16,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:17,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:17,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:17,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 03:48:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:17,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:17,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:17,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:17,067 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:17,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:48:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:19,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:20,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:20,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:20,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 03:48:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:20,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:20,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:20,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:20,360 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:20,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:48:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:23,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:23,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:23,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:23,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:48:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:23,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:23,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:23,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:23,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:23,515 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:23,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:48:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:26,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:26,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:26,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:26,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:48:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:26,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:26,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:26,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:26,681 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:26,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:48:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:29,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:30,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:30,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:30,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:48:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:30,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:30,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:30,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:30,209 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:30,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:48:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:33,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:34,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:34,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:34,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:48:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 03:48:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 03:48:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:48:34,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:34,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:34,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:34,071 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:34,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b762cb80-6797-45e2-8115-e9c30a6becc3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process