./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/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_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:33:39,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:33:39,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:33:39,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:33:39,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:33:39,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:33:39,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:33:39,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:33:39,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:33:39,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:33:39,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:33:39,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:33:39,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:33:39,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:33:39,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:33:39,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:33:39,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:33:39,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:33:39,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:33:39,712 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:33:39,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:33:39,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:33:39,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:33:39,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:33:39,715 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:33:39,715 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:33:39,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:33:39,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:33:39,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:39,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:33:39,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:33:39,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:33:39,718 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:33:39,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:33:39,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:33:39,719 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_2391f381-20d1-4e1b-8114-0248ff4290fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c [2023-12-02 23:33:39,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:33:39,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:33:39,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:33:39,977 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:33:39,977 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:33:39,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2023-12-02 23:33:42,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:33:42,939 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:33:42,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2023-12-02 23:33:42,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data/839de9f26/e9e8d219cbd74e20a550955774993c86/FLAG8f2e417f2 [2023-12-02 23:33:42,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data/839de9f26/e9e8d219cbd74e20a550955774993c86 [2023-12-02 23:33:42,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:33:42,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:33:42,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:42,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:33:42,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:33:42,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:42" (1/1) ... [2023-12-02 23:33:42,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79714a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:42, skipping insertion in model container [2023-12-02 23:33:42,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:42" (1/1) ... [2023-12-02 23:33:43,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:33:43,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:43,669 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:33:43,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:43,790 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:33:43,798 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:33:43,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43 WrapperNode [2023-12-02 23:33:43,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:43,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:43,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:33:43,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:33:43,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:43,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:43,926 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1905 [2023-12-02 23:33:43,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:43,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:33:43,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:33:43,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:33:43,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:43,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:43,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:43,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:44,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:44,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:44,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:44,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:44,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:33:44,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:33:44,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:33:44,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:33:44,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:43" (1/1) ... [2023-12-02 23:33:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:44,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:33:44,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:33:44,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:33:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-02 23:33:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-02 23:33:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:33:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:33:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:33:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:33:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:33:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:33:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:33:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:33:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:33:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:33:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:33:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:33:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:33:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:33:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:33:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:33:44,350 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:33:44,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:33:46,112 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:33:48,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:33:48,058 INFO L309 CfgBuilder]: Removed 83 assume(true) statements. [2023-12-02 23:33:48,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:48 BoogieIcfgContainer [2023-12-02 23:33:48,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:33:48,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:33:48,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:33:48,070 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:33:48,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:48" (1/1) ... [2023-12-02 23:33:48,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:33:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 298 transitions. [2023-12-02 23:33:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 298 transitions. [2023-12-02 23:33:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:33:48,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 180 states and 297 transitions. [2023-12-02 23:33:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 297 transitions. [2023-12-02 23:33:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:33:48,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 180 states and 298 transitions. [2023-12-02 23:33:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 298 transitions. [2023-12-02 23:33:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:33:48,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:33:48,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 182 states and 300 transitions. [2023-12-02 23:33:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 300 transitions. [2023-12-02 23:33:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:33:48,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:33:48,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 182 states and 296 transitions. [2023-12-02 23:33:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 296 transitions. [2023-12-02 23:33:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:33:48,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:33:48,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:48,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 182 states and 288 transitions. [2023-12-02 23:33:48,777 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 288 transitions. [2023-12-02 23:33:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:33:48,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:33:48,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 182 states and 276 transitions. [2023-12-02 23:33:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 276 transitions. [2023-12-02 23:33:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:33:48,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:49,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:33:49,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:59,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:34:09,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:34:09,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 182 states and 264 transitions. [2023-12-02 23:34:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 264 transitions. [2023-12-02 23:34:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:34:09,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:09,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:09,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:34:09,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:19,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:34:29,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:34:40,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:34:50,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:00,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:10,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:20,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:30,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 234 states and 327 transitions. [2023-12-02 23:35:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 327 transitions. [2023-12-02 23:35:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:35:30,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:30,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:30,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:35:30,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:31,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 234 states and 325 transitions. [2023-12-02 23:35:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 325 transitions. [2023-12-02 23:35:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:35:31,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:31,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:31,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:35:31,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 234 states and 323 transitions. [2023-12-02 23:35:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 323 transitions. [2023-12-02 23:35:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:35:31,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:31,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:31,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:35:31,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:41,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:51,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:02,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:12,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:22,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:32,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:42,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:52,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:36:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 287 states and 388 transitions. [2023-12-02 23:36:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2023-12-02 23:36:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:36:52,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:52,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:53,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:36:53,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 287 states and 386 transitions. [2023-12-02 23:36:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 386 transitions. [2023-12-02 23:36:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:36:53,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:53,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:53,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:36:53,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 287 states and 384 transitions. [2023-12-02 23:36:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 384 transitions. [2023-12-02 23:36:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:36:53,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:53,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:53,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:36:53,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:03,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 287 states and 382 transitions. [2023-12-02 23:37:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 382 transitions. [2023-12-02 23:37:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:37:03,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:03,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:04,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:37:04,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:14,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 287 states and 380 transitions. [2023-12-02 23:37:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 380 transitions. [2023-12-02 23:37:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:37:14,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:14,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:14,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:37:14,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:14,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 287 states and 378 transitions. [2023-12-02 23:37:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 378 transitions. [2023-12-02 23:37:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:37:14,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:14,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:14,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:14,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:37:25,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:35,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:45,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:56,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 290 states and 380 transitions. [2023-12-02 23:37:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 380 transitions. [2023-12-02 23:37:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:37:56,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:57,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:37:57,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:07,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:17,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:27,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:37,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:47,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:57,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:07,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:17,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 329 states and 427 transitions. [2023-12-02 23:39:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 427 transitions. [2023-12-02 23:39:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:39:17,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:17,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:18,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:39:18,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:39:28,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:38,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:48,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:58,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 332 states and 429 transitions. [2023-12-02 23:39:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 429 transitions. [2023-12-02 23:39:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:39:58,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:58,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:39:58,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:40:08,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:18,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:28,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:39,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 335 states and 431 transitions. [2023-12-02 23:40:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 431 transitions. [2023-12-02 23:40:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:40:39,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:39,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:40:39,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:40:49,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:59,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:09,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:19,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 338 states and 433 transitions. [2023-12-02 23:41:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 433 transitions. [2023-12-02 23:41:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:41:19,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:19,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:19,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:41:19,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:41:30,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:40,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:50,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:00,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 341 states and 435 transitions. [2023-12-02 23:42:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 435 transitions. [2023-12-02 23:42:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:42:00,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:00,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:00,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:42:00,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:42:10,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:20,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:30,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:40,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:42:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 344 states and 437 transitions. [2023-12-02 23:42:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 437 transitions. [2023-12-02 23:42:40,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:42:40,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:40,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:41,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:42:41,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 344 states and 436 transitions. [2023-12-02 23:42:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 436 transitions. [2023-12-02 23:42:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:42:41,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:41,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:41,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:41,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 353 states and 447 transitions. [2023-12-02 23:42:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2023-12-02 23:42:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:42:42,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:42,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:42,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:42,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:42:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 362 states and 457 transitions. [2023-12-02 23:42:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 457 transitions. [2023-12-02 23:42:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:42:42,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:42,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:42,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:42:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:43,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 371 states and 467 transitions. [2023-12-02 23:42:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 467 transitions. [2023-12-02 23:42:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:42:43,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:43,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:43,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 380 states and 478 transitions. [2023-12-02 23:42:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 478 transitions. [2023-12-02 23:42:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:42:43,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:44,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:44,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:42:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 389 states and 488 transitions. [2023-12-02 23:42:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 488 transitions. [2023-12-02 23:42:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:42:44,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:44,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:44,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:44,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:42:44,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 398 states and 498 transitions. [2023-12-02 23:42:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 498 transitions. [2023-12-02 23:42:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:42:44,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:44,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:45,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:45,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:45,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:42:45,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:45,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 399 states and 500 transitions. [2023-12-02 23:42:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 500 transitions. [2023-12-02 23:42:45,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 23:42:45,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:45,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:46,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:42:46,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 408 states and 511 transitions. [2023-12-02 23:42:46,793 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 511 transitions. [2023-12-02 23:42:46,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 23:42:46,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:46,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:47,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:47,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:42:49,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:42:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 409 states and 513 transitions. [2023-12-02 23:42:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 513 transitions. [2023-12-02 23:42:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:42:49,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:49,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:50,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:42:50,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:43:00,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:10,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:20,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:43:30,508 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 [] [2023-12-02 23:43:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:30,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 423 states and 529 transitions. [2023-12-02 23:43:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 529 transitions. [2023-12-02 23:43:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:43:30,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:30,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:43:30,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:43:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 432 states and 539 transitions. [2023-12-02 23:43:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 539 transitions. [2023-12-02 23:43:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:43:31,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:31,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:43:31,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:43:41,598 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 [] [2023-12-02 23:43:51,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:01,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:11,761 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 [] [2023-12-02 23:44:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 435 states and 541 transitions. [2023-12-02 23:44:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 541 transitions. [2023-12-02 23:44:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:44:11,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:11,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:44:22,227 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) [2023-12-02 23:44:22,229 INFO L158 Benchmark]: Toolchain (without parser) took 639252.23ms. Allocated memory was 178.3MB in the beginning and 346.0MB in the end (delta: 167.8MB). Free memory was 140.1MB in the beginning and 160.0MB in the end (delta: -19.9MB). Peak memory consumption was 150.0MB. Max. memory is 16.1GB. [2023-12-02 23:44:22,230 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:44:22,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.42ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 122.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:44:22,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.89ms. Allocated memory is still 178.3MB. Free memory was 122.5MB in the beginning and 111.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:44:22,231 INFO L158 Benchmark]: Boogie Preprocessor took 130.34ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 98.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:44:22,231 INFO L158 Benchmark]: RCFGBuilder took 4001.27ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 98.8MB in the beginning and 115.3MB in the end (delta: -16.6MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2023-12-02 23:44:22,231 INFO L158 Benchmark]: CodeCheck took 634168.47ms. Allocated memory was 257.9MB in the beginning and 346.0MB in the end (delta: 88.1MB). Free memory was 115.3MB in the beginning and 160.0MB in the end (delta: -44.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-12-02 23:44:22,233 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 0.17ms. Allocated memory is still 113.2MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.42ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 122.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.89ms. Allocated memory is still 178.3MB. Free memory was 122.5MB in the beginning and 111.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.34ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 98.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4001.27ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 98.8MB in the beginning and 115.3MB in the end (delta: -16.6MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. * CodeCheck took 634168.47ms. Allocated memory was 257.9MB in the beginning and 346.0MB in the end (delta: 88.1MB). Free memory was 115.3MB in the beginning and 160.0MB in the end (delta: -44.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:44:22,440 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:44:22,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/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_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/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_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:44:24,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:44:24,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:44:24,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:44:24,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:44:24,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:44:24,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:44:24,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:44:24,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:44:24,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:44:24,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:44:24,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:44:24,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:44:24,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:44:24,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:44:24,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:44:24,226 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:44:24,227 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:44:24,227 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:44:24,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:44:24,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:44:24,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:44:24,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:44:24,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:44:24,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:44:24,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:44:24,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:44:24,232 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:24,232 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:44:24,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:44:24,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:24,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:44:24,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:44:24,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:44:24,234 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:44:24,235 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:24,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:44:24,235 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:44:24,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:44:24,236 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_2391f381-20d1-4e1b-8114-0248ff4290fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c [2023-12-02 23:44:24,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:44:24,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:44:24,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:44:24,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:44:24,536 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:44:24,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2023-12-02 23:44:27,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:44:27,637 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:44:27,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2023-12-02 23:44:27,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data/b528e57f0/27dde3f2a7924594af772c53bf0c7e36/FLAG3a3ee332c [2023-12-02 23:44:27,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/data/b528e57f0/27dde3f2a7924594af772c53bf0c7e36 [2023-12-02 23:44:27,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:44:27,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:44:27,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:27,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:44:27,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:44:27,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:27" (1/1) ... [2023-12-02 23:44:27,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d36779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:27, skipping insertion in model container [2023-12-02 23:44:27,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:27" (1/1) ... [2023-12-02 23:44:27,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:44:28,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:28,250 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:44:28,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:44:28,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:28,380 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:44:28,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:28,497 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:44:28,503 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:44:28,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28 WrapperNode [2023-12-02 23:44:28,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:28,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:28,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:44:28,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:44:28,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,601 INFO L138 Inliner]: procedures = 180, calls = 390, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1416 [2023-12-02 23:44:28,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:28,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:44:28,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:44:28,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:44:28,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:44:28,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:44:28,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:44:28,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:44:28,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28" (1/1) ... [2023-12-02 23:44:28,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:44:28,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:44:28,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:44:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-02 23:44:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-02 23:44:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:44:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:44:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:44:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:44:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:44:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:44:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:44:28,995 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:44:28,997 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:44:58,607 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:44:59,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:44:59,113 INFO L309 CfgBuilder]: Removed 83 assume(true) statements. [2023-12-02 23:44:59,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:59 BoogieIcfgContainer [2023-12-02 23:44:59,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:44:59,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:44:59,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:44:59,126 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:44:59,126 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:59" (1/1) ... [2023-12-02 23:44:59,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:44:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 298 transitions. [2023-12-02 23:44:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 298 transitions. [2023-12-02 23:44:59,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:44:59,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:59,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:59,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:44:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:59,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:59,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:44:59,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:59,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 183 states and 301 transitions. [2023-12-02 23:45:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 301 transitions. [2023-12-02 23:45:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:45:00,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:00,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:00,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:00,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:00,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:45:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:00,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:00,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:45:00,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:00,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:45:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 184 states and 302 transitions. [2023-12-02 23:45:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 302 transitions. [2023-12-02 23:45:00,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:45:00,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:00,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:00,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:00,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:00,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:45:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:01,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:01,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:45:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:01,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 183 states and 297 transitions. [2023-12-02 23:45:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 297 transitions. [2023-12-02 23:45:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:45:01,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:01,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:01,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:01,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:01,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:45:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:01,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:01,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 183 states and 289 transitions. [2023-12-02 23:45:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 289 transitions. [2023-12-02 23:45:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:45:01,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:01,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:01,506 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:01,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:45:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:02,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:02,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:02,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:45:02,026 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:45:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 183 states and 277 transitions. [2023-12-02 23:45:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 277 transitions. [2023-12-02 23:45:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:45:02,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:02,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:02,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:02,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:02,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:45:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:02,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:02,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:02,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:02,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:45:04,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 183 states and 265 transitions. [2023-12-02 23:45:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 265 transitions. [2023-12-02 23:45:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:45:04,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:04,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:04,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:04,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:04,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:45:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:05,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:05,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:05,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:06,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:09,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 222 states and 311 transitions. [2023-12-02 23:45:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 311 transitions. [2023-12-02 23:45:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:45:09,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:09,672 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:09,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:45:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:10,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:10,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:10,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:10,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:45:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:10,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 222 states and 309 transitions. [2023-12-02 23:45:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 309 transitions. [2023-12-02 23:45:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:45:10,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:10,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:10,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:10,542 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:10,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:45:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:11,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:11,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:11,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:11,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:45:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 222 states and 307 transitions. [2023-12-02 23:45:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 307 transitions. [2023-12-02 23:45:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:45:11,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:11,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:11,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:11,528 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:11,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:45:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:12,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:12,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:45:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 222 states and 305 transitions. [2023-12-02 23:45:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 305 transitions. [2023-12-02 23:45:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:45:12,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:12,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:12,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:12,466 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:12,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:45:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:13,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:13,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:13,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:13,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 222 states and 303 transitions. [2023-12-02 23:45:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 303 transitions. [2023-12-02 23:45:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:45:13,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:13,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:13,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:13,556 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:13,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:45:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:14,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:14,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:45:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 222 states and 301 transitions. [2023-12-02 23:45:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 301 transitions. [2023-12-02 23:45:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:45:14,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:14,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:14,680 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:14,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:45:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:15,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:15,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:45:15,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 222 states and 299 transitions. [2023-12-02 23:45:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 299 transitions. [2023-12-02 23:45:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:45:15,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:15,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:15,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:15,901 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:15,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:45:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:16,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:17,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:17,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:45:17,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:17,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 225 states and 301 transitions. [2023-12-02 23:45:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 301 transitions. [2023-12-02 23:45:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:45:17,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:17,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:17,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:17,541 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:17,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:45:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:18,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:18,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:18,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:45:19,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:45:19,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:19,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 228 states and 303 transitions. [2023-12-02 23:45:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 303 transitions. [2023-12-02 23:45:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:45:19,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:19,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:19,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:19,301 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:19,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:45:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:20,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:20,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:45:30,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:30,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 228 states and 301 transitions. [2023-12-02 23:45:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 301 transitions. [2023-12-02 23:45:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:45:30,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:30,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:30,605 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:30,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:45:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:31,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:32,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:45:32,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:32,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:32,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 228 states and 300 transitions. [2023-12-02 23:45:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 300 transitions. [2023-12-02 23:45:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:45:32,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:32,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:32,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:32,157 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:32,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:45:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:33,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:33,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:33,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:45:33,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:45:37,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 242 states and 317 transitions. [2023-12-02 23:45:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 317 transitions. [2023-12-02 23:45:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:45:37,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:37,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:37,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:37,130 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:37,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:45:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:38,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:38,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:38,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:45:39,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:45:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 251 states and 327 transitions. [2023-12-02 23:45:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 327 transitions. [2023-12-02 23:45:39,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 23:45:39,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:39,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:39,383 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:39,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:45:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:40,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:41,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:41,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:45:41,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:45:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 254 states and 329 transitions. [2023-12-02 23:45:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 329 transitions. [2023-12-02 23:45:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 23:45:41,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:41,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:41,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:41,405 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:41,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:45:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:42,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:43,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:43,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:45:43,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:45:45,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:48,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:50,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:51,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:53,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:45:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 321 states and 410 transitions. [2023-12-02 23:45:53,451 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 410 transitions. [2023-12-02 23:45:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:45:53,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:53,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:53,453 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:53,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:45:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:54,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:45:55,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:45:56,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:46:06,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:12,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:22,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:32,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:46:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:32,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:32,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:32,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:32,654 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:32,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:46:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:34,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:34,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:34,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:34,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:46:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:34,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:34,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:34,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:34,996 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:34,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:46:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:36,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:37,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:37,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:37,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:46:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:37,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:37,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:37,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:37,137 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:37,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:46:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:38,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:39,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:39,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:39,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:39,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:39,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:39,266 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:39,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:46:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:40,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:41,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:41,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:41,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:46:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:41,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:41,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:41,453 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:41,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:46:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:43,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:43,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:46:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:43,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:43,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:43,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:43,823 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:43,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:46:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:45,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:46,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:46,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:46,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:46:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:46,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:46,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:46,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:46,102 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:46,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:46:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:47,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:48,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:48,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:48,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:46:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:48,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:48,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:48,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:48,542 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:48,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:46:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:50,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:51,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:51,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:51,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:46:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:51,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:51,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:51,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:51,179 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:51,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:46:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:53,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:53,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:53,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:53,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:46:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:53,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:53,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:53,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:53,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:53,871 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:53,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:46:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:56,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:56,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:56,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:56,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:46:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:56,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:56,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:56,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:56,732 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:56,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:46:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:58,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:59,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:46:59,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:46:59,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:46:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:46:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:46:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:46:59,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:59,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:59,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:59,357 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:59,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:47:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:01,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:01,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:01,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:02,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:47:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:02,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:02,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:02,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:02,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:02,034 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:02,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:47:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:04,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:04,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:04,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:04,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:04,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:47:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:04,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:04,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:04,803 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:04,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:47:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:07,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:07,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:07,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:07,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:07,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:07,752 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:07,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:07,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:07,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:07,754 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:07,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:47:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:10,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:10,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:10,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:47:10,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:10,297 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:10,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:10,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:10,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:10,299 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:10,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:47:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:12,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:13,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:13,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:13,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:47:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:13,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:13,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:13,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:13,167 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:47:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:15,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:16,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:16,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:16,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:47:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:16,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:16,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:16,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:16,180 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:16,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:47:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:18,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:19,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:19,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:19,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:47:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:19,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:19,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:19,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:19,288 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:19,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:47:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:22,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:22,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:22,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:22,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:47:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:22,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:22,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:22,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:22,671 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:22,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:47:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:25,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:25,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:25,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:25,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:47:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:25,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:25,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:25,748 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:25,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:47:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:28,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:29,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:29,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:29,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:47:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:29,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:29,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:29,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:29,156 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:29,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:47:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:31,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:32,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:32,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:32,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:47:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:32,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:32,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:32,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:32,637 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:32,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:47:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:35,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:35,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:35,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:35,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:47:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:35,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:35,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:35,890 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:35,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:47:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:38,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:39,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:39,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:39,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:47:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:39,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:39,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:39,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:39,376 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:39,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:47:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:42,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:42,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:42,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:42,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:47:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:42,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:42,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:42,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:42,685 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:42,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:47:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:45,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:46,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:46,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:46,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:47:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:46,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:46,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:46,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:46,406 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:46,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:47:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:49,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:50,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:50,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:50,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:47:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:50,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:50,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:50,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:50,136 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:50,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:47:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:53,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:53,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:53,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:47:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:53,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:53,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:53,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:53,596 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:53,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:47:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:56,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:57,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:47:57,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:47:57,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:47:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:47:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:47:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:47:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:57,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:57,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:57,525 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:57,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:48:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:00,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:01,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:48:01,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:01,584 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:48:01,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:48:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 330 states and 421 transitions. [2023-12-02 23:48:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 421 transitions. [2023-12-02 23:48:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:48:01,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:01,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:01,631 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:01,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2391f381-20d1-4e1b-8114-0248ff4290fd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process