./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/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_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:17:37,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:17:37,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-02 23:17:37,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:17:37,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:17:37,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:17:37,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:17:37,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:17:37,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:17:37,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:17:37,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:17:37,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:17:37,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:17:37,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:17:37,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:17:37,346 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:17:37,347 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:17:37,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:17:37,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:17:37,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:17:37,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:17:37,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:17:37,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:17:37,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:17:37,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:17:37,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:17:37,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:17:37,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:37,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:17:37,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:17:37,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:17:37,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:17:37,354 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_b79867eb-e10b-4784-99f1-29b790581fdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 [2023-12-02 23:17:37,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:17:37,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:17:37,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:17:37,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:17:37,581 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:17:37,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-02 23:17:40,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:17:40,602 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:17:40,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-02 23:17:40,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data/665601bac/989afd5a252b4ed79655bf0f9c8aa23c/FLAG86bbbe69f [2023-12-02 23:17:40,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data/665601bac/989afd5a252b4ed79655bf0f9c8aa23c [2023-12-02 23:17:40,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:17:40,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:17:40,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:40,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:17:40,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:17:40,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:40" (1/1) ... [2023-12-02 23:17:40,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b5600a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:40, skipping insertion in model container [2023-12-02 23:17:40,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:40" (1/1) ... [2023-12-02 23:17:40,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:17:41,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:41,348 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:17:41,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:41,530 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:17:41,537 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:17:41,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41 WrapperNode [2023-12-02 23:17:41,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:41,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:41,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:17:41,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:17:41,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,694 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 17, calls inlined = 44, statements flattened = 3348 [2023-12-02 23:17:41,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:41,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:17:41,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:17:41,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:17:41,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:17:41,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:17:41,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:17:41,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:17:41,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:41" (1/1) ... [2023-12-02 23:17:41,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:41,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:17:41,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:17:41,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:17:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:17:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:17:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:17:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:17:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:17:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:17:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:17:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:17:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:17:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:17:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:17:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:17:42,188 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:17:42,190 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:17:44,849 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:17:48,599 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:17:48,599 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-02 23:17:48,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:48 BoogieIcfgContainer [2023-12-02 23:17:48,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:17:48,602 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:17:48,602 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:17:48,612 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:17:48,613 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:48" (1/1) ... [2023-12-02 23:17:48,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:17:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 355 states and 593 transitions. [2023-12-02 23:17:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 593 transitions. [2023-12-02 23:17:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:17:48,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:48,871 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 23:17:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:48,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 354 states and 587 transitions. [2023-12-02 23:17:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 587 transitions. [2023-12-02 23:17:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:17:48,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:48,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:48,957 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 23:17:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 354 states and 583 transitions. [2023-12-02 23:17:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 583 transitions. [2023-12-02 23:17:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:17:48,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:48,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:49,142 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 23:17:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 356 states and 584 transitions. [2023-12-02 23:17:49,187 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 584 transitions. [2023-12-02 23:17:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:17:49,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:49,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:17:49,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:59,427 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 23:17:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 356 states and 579 transitions. [2023-12-02 23:17:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2023-12-02 23:17:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:17:59,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:59,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:59,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:17:59,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 356 states and 575 transitions. [2023-12-02 23:17:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 575 transitions. [2023-12-02 23:17:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:17:59,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:59,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:59,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:17:59,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 356 states and 569 transitions. [2023-12-02 23:17:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 569 transitions. [2023-12-02 23:17:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:17:59,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:59,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:00,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:00,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:18:10,198 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 23:18:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 356 states and 563 transitions. [2023-12-02 23:18:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 563 transitions. [2023-12-02 23:18:10,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:18:10,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:10,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:10,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:18:10,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:18:20,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:30,857 WARN L539 Checker$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 23:18:40,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:50,915 WARN L539 Checker$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 23:18:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 370 states and 581 transitions. [2023-12-02 23:18:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 581 transitions. [2023-12-02 23:18:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:18:50,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:51,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:51,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:18:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 370 states and 579 transitions. [2023-12-02 23:18:51,204 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 579 transitions. [2023-12-02 23:18:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:51,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:51,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:51,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:51,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:18:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 370 states and 577 transitions. [2023-12-02 23:18:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 577 transitions. [2023-12-02 23:18:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:18:51,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:51,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:51,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:51,813 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 23:19:01,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 370 states and 575 transitions. [2023-12-02 23:19:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 575 transitions. [2023-12-02 23:19:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:19:01,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:01,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:02,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:19:02,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:12,239 WARN L539 Checker$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 23:19:22,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:32,321 WARN L539 Checker$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 23:19:42,351 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 23:19:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:42,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 373 states and 577 transitions. [2023-12-02 23:19:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 577 transitions. [2023-12-02 23:19:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:19:42,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:42,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:42,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:19:42,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 373 states and 572 transitions. [2023-12-02 23:19:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 572 transitions. [2023-12-02 23:19:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:19:42,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:42,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:19:42,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:42,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:19:42,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:19:43,033 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:19:43,034 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-02 23:19:43,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:19:43,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 23:19:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 376 states and 578 transitions. [2023-12-02 23:19:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 578 transitions. [2023-12-02 23:19:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:19:43,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:43,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:43,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:19:43,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 376 states and 572 transitions. [2023-12-02 23:19:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 572 transitions. [2023-12-02 23:19:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 23:19:43,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:44,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:19:44,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:54,153 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 23:19:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 376 states and 566 transitions. [2023-12-02 23:19:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 566 transitions. [2023-12-02 23:19:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:19:54,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:54,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:19:54,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:04,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:20:14,834 WARN L539 Checker$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 23:20:24,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:20:34,885 WARN L539 Checker$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 23:20:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 401 states and 595 transitions. [2023-12-02 23:20:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 595 transitions. [2023-12-02 23:20:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:20:35,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:35,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:20:35,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 401 states and 593 transitions. [2023-12-02 23:20:35,389 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 593 transitions. [2023-12-02 23:20:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 23:20:35,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:35,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:35,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:20:35,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 401 states and 591 transitions. [2023-12-02 23:20:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 591 transitions. [2023-12-02 23:20:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:20:35,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:35,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:36,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:20:36,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:36,040 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 23:20:46,066 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 23:20:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 401 states and 589 transitions. [2023-12-02 23:20:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 589 transitions. [2023-12-02 23:20:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 23:20:46,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:46,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:46,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:20:46,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 401 states and 587 transitions. [2023-12-02 23:20:46,635 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 587 transitions. [2023-12-02 23:20:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 23:20:46,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:46,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:46,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:20:46,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:57,147 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 23:21:07,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:17,216 WARN L539 Checker$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 23:21:27,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 404 states and 589 transitions. [2023-12-02 23:21:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 589 transitions. [2023-12-02 23:21:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:21:27,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:27,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:21:27,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:21:38,362 WARN L539 Checker$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 23:21:48,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:58,441 WARN L539 Checker$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 23:22:08,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:22:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 418 states and 608 transitions. [2023-12-02 23:22:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 608 transitions. [2023-12-02 23:22:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:22:08,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:08,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:08,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:22:08,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:19,312 WARN L539 Checker$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 23:22:29,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:22:39,379 WARN L539 Checker$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 23:22:49,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:22:59,967 WARN L539 Checker$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 23:23:10,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:20,027 WARN L539 Checker$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 23:23:30,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:40,488 WARN L539 Checker$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 23:23:50,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:24:00,556 WARN L539 Checker$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 23:24:10,599 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 23:24:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 488 states and 702 transitions. [2023-12-02 23:24:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 702 transitions. [2023-12-02 23:24:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:24:10,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:11,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:24:11,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:11,073 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 23:24:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 488 states and 698 transitions. [2023-12-02 23:24:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 698 transitions. [2023-12-02 23:24:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:24:11,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:11,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:11,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:24:11,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:24:21,502 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 23:24:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 488 states and 696 transitions. [2023-12-02 23:24:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 696 transitions. [2023-12-02 23:24:21,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:24:21,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:21,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:22,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:24:22,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:24:32,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:24:42,134 WARN L539 Checker$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 23:24:52,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:25:02,196 WARN L539 Checker$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 23:25:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 491 states and 698 transitions. [2023-12-02 23:25:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 698 transitions. [2023-12-02 23:25:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:25:02,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:02,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:02,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:25:02,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:25:04,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:25:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 494 states and 700 transitions. [2023-12-02 23:25:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 700 transitions. [2023-12-02 23:25:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:25:04,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:04,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:05,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:25:05,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:25:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 494 states and 698 transitions. [2023-12-02 23:25:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 698 transitions. [2023-12-02 23:25:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:25:05,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:05,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:05,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:25:05,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:25:15,683 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 23:25:25,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:25:35,754 WARN L539 Checker$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 23:25:45,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:25:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 497 states and 700 transitions. [2023-12-02 23:25:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 700 transitions. [2023-12-02 23:25:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:25:45,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:46,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:25:46,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:25:56,375 WARN L539 Checker$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 23:26:06,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:26:16,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:26:26,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:26:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 500 states and 702 transitions. [2023-12-02 23:26:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 702 transitions. [2023-12-02 23:26:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 23:26:26,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:26,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:26:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:26,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:26:26,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:26:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:26:37,334 WARN L539 Checker$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 23:26:47,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:26:57,406 WARN L539 Checker$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 23:27:07,456 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 23:27:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 530 states and 739 transitions. [2023-12-02 23:27:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 739 transitions. [2023-12-02 23:27:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 23:27:07,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:07,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:08,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:27:08,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 530 states and 738 transitions. [2023-12-02 23:27:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 738 transitions. [2023-12-02 23:27:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 23:27:08,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:08,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:08,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:27:08,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 530 states and 737 transitions. [2023-12-02 23:27:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 737 transitions. [2023-12-02 23:27:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 23:27:08,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:08,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:09,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:27:09,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 537 states and 742 transitions. [2023-12-02 23:27:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 742 transitions. [2023-12-02 23:27:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 23:27:09,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:10,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:27:10,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 545 states and 752 transitions. [2023-12-02 23:27:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 752 transitions. [2023-12-02 23:27:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 23:27:10,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:10,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:10,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:27:10,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:27:21,100 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 23:27:31,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:27:41,260 WARN L539 Checker$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 23:27:51,293 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 23:27:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 548 states and 754 transitions. [2023-12-02 23:27:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 754 transitions. [2023-12-02 23:27:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:27:51,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:51,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:51,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:27:51,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:27:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 549 states and 756 transitions. [2023-12-02 23:27:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 756 transitions. [2023-12-02 23:27:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 23:27:52,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:28:02,992 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 23:28:02,994 INFO L158 Benchmark]: Toolchain (without parser) took 622354.42ms. Allocated memory was 157.3MB in the beginning and 541.1MB in the end (delta: 383.8MB). Free memory was 117.6MB in the beginning and 351.0MB in the end (delta: -233.4MB). Peak memory consumption was 153.2MB. Max. memory is 16.1GB. [2023-12-02 23:28:02,995 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:28:02,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.17ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 105.7MB in the end (delta: 11.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-02 23:28:02,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.35ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 86.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:28:02,996 INFO L158 Benchmark]: Boogie Preprocessor took 146.65ms. Allocated memory is still 157.3MB. Free memory was 86.8MB in the beginning and 68.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:28:02,996 INFO L158 Benchmark]: RCFGBuilder took 6758.79ms. Allocated memory was 157.3MB in the beginning and 541.1MB in the end (delta: 383.8MB). Free memory was 67.1MB in the beginning and 358.5MB in the end (delta: -291.3MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. [2023-12-02 23:28:02,997 INFO L158 Benchmark]: CodeCheck took 614391.81ms. Allocated memory is still 541.1MB. Free memory was 358.5MB in the beginning and 351.0MB in the end (delta: 7.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-12-02 23:28:02,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.17ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 105.7MB in the end (delta: 11.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.35ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 86.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.65ms. Allocated memory is still 157.3MB. Free memory was 86.8MB in the beginning and 68.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6758.79ms. Allocated memory was 157.3MB in the beginning and 541.1MB in the end (delta: 383.8MB). Free memory was 67.1MB in the beginning and 358.5MB in the end (delta: -291.3MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. * CodeCheck took 614391.81ms. Allocated memory is still 541.1MB. Free memory was 358.5MB in the beginning and 351.0MB in the end (delta: 7.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:28:03,207 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:28:03,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/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_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:28:04,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:28:04,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-02 23:28:04,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:28:04,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:28:04,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:28:04,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:28:04,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:28:04,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:28:04,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:28:04,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:28:04,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:28:04,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:28:04,996 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:28:04,997 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:28:04,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:28:04,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:28:04,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:28:04,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:28:05,000 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:28:05,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:28:05,001 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:28:05,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:28:05,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:28:05,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:28:05,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:28:05,004 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:28:05,004 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:05,004 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:28:05,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:28:05,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:28:05,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:28:05,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:28:05,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:28:05,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:05,006 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:28:05,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:28:05,007 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_b79867eb-e10b-4784-99f1-29b790581fdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 [2023-12-02 23:28:05,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:28:05,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:28:05,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:28:05,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:28:05,354 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:28:05,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-02 23:28:08,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:28:08,466 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:28:08,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-12-02 23:28:08,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data/c831a88e9/a0a7a6b2863a43829ac4774086dbf68b/FLAG8250fe797 [2023-12-02 23:28:08,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/data/c831a88e9/a0a7a6b2863a43829ac4774086dbf68b [2023-12-02 23:28:08,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:28:08,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:28:08,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:28:08,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:28:08,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:28:08,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:08" (1/1) ... [2023-12-02 23:28:08,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bebbe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:08, skipping insertion in model container [2023-12-02 23:28:08,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:08" (1/1) ... [2023-12-02 23:28:08,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:28:09,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:28:09,275 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:28:09,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:28:09,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:28:09,435 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:28:09,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:28:09,567 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:28:09,575 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:28:09,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09 WrapperNode [2023-12-02 23:28:09,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:28:09,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:28:09,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:28:09,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:28:09,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,722 INFO L138 Inliner]: procedures = 180, calls = 525, calls flagged for inlining = 17, calls inlined = 44, statements flattened = 2403 [2023-12-02 23:28:09,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:28:09,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:28:09,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:28:09,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:28:09,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:28:09,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:28:09,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:28:09,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:28:09,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:09" (1/1) ... [2023-12-02 23:28:09,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:28:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:28:09,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:28:09,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:28:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:28:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:28:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:28:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:28:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:28:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:28:10,217 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:28:10,219 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:28:39,835 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:28:40,675 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:28:40,675 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-02 23:28:40,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:40 BoogieIcfgContainer [2023-12-02 23:28:40,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:28:40,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:28:40,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:28:40,688 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:28:40,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:40" (1/1) ... [2023-12-02 23:28:40,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:28:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 355 states and 593 transitions. [2023-12-02 23:28:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 593 transitions. [2023-12-02 23:28:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:28:40,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:40,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:40,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:40,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:40,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:28:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:41,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:41,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:41,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:41,337 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 23:28:41,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:28:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 354 states and 587 transitions. [2023-12-02 23:28:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 587 transitions. [2023-12-02 23:28:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:28:41,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:41,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:41,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:41,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:41,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:28:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:41,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:41,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:41,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:41,907 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 23:28:41,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:28:41,911 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:28:42,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 354 states and 583 transitions. [2023-12-02 23:28:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 583 transitions. [2023-12-02 23:28:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:28:42,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:42,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:42,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:42,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:42,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:28:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:42,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:42,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:42,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:42,502 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 23:28:42,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:28:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 354 states and 581 transitions. [2023-12-02 23:28:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 581 transitions. [2023-12-02 23:28:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:28:42,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:42,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:42,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:42,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:42,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:28:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:42,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:43,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:43,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:43,022 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 23:28:43,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 23:28:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 354 states and 579 transitions. [2023-12-02 23:28:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 579 transitions. [2023-12-02 23:28:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:28:43,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:43,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:43,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:43,053 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:43,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:28:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:43,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:43,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:28:43,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:43,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:28:43,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:28:43,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:28:43,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-02 23:28:43,836 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:28:43,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-02 23:28:43,862 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 23:28:43,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:28:43,875 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:28:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 356 states and 582 transitions. [2023-12-02 23:28:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 582 transitions. [2023-12-02 23:28:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:28:44,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:44,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:44,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:44,273 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:44,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:28:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:44,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:44,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:44,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:44,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:28:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 356 states and 579 transitions. [2023-12-02 23:28:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2023-12-02 23:28:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:28:44,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:44,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:44,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:44,967 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:44,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:28:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:45,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:45,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:45,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:45,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:28:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 356 states and 575 transitions. [2023-12-02 23:28:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 575 transitions. [2023-12-02 23:28:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:28:45,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:45,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:45,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:45,566 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:45,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:28:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:45,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:46,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:46,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:46,166 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:28:46,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:28:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 356 states and 569 transitions. [2023-12-02 23:28:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 569 transitions. [2023-12-02 23:28:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:28:46,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:46,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:46,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:46,176 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:46,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:28:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:46,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:46,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:46,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:46,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:28:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 356 states and 563 transitions. [2023-12-02 23:28:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 563 transitions. [2023-12-02 23:28:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:28:47,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:47,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:47,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:47,685 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:28:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:48,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:48,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:28:48,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:48,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:28:50,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 370 states and 581 transitions. [2023-12-02 23:28:50,083 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 581 transitions. [2023-12-02 23:28:50,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:28:50,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:50,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:50,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:50,085 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:50,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:28:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:50,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:50,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:50,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:50,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-02 23:28:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 370 states and 579 transitions. [2023-12-02 23:28:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 579 transitions. [2023-12-02 23:28:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:28:50,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:50,993 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:50,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:28:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:51,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:51,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:51,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:51,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:28:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 370 states and 577 transitions. [2023-12-02 23:28:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 577 transitions. [2023-12-02 23:28:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:28:51,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:51,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:51,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:51,862 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:51,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:28:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:52,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:52,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:52,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:52,847 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 23:28:52,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:28:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 370 states and 575 transitions. [2023-12-02 23:28:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 575 transitions. [2023-12-02 23:28:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:28:52,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:52,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:52,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:52,865 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:52,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:28:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:53,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:53,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:28:53,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:28:54,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:28:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 373 states and 577 transitions. [2023-12-02 23:28:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 577 transitions. [2023-12-02 23:28:54,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:28:54,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:54,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:54,134 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:54,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:28:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:54,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:55,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:28:55,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:55,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:28:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 373 states and 572 transitions. [2023-12-02 23:28:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 572 transitions. [2023-12-02 23:28:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:28:55,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:55,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:28:55,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:28:55,129 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:28:55,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:28:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:55,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:28:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:56,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:28:56,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:56,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:29:06,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:29:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 374 states and 573 transitions. [2023-12-02 23:29:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 573 transitions. [2023-12-02 23:29:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:29:06,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:06,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:06,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:06,431 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:06,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:29:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:07,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:07,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:29:07,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:29:07,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:29:17,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:29:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 375 states and 574 transitions. [2023-12-02 23:29:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 574 transitions. [2023-12-02 23:29:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:29:17,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:17,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:17,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:17,824 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:17,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:29:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:18,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:19,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:29:19,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:29:19,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:29:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 376 states and 575 transitions. [2023-12-02 23:29:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 575 transitions. [2023-12-02 23:29:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:29:19,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:19,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:19,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:19,640 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:19,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:29:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:20,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:21,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:29:21,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:29:21,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:29:31,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:29:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 377 states and 576 transitions. [2023-12-02 23:29:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 576 transitions. [2023-12-02 23:29:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:29:31,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:31,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:31,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:31,687 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:31,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:29:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:32,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:33,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:29:33,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:29:33,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:29:43,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:29:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 378 states and 577 transitions. [2023-12-02 23:29:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 577 transitions. [2023-12-02 23:29:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:29:43,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:43,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:43,818 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:43,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:29:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:45,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:45,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:29:45,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:29:45,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:29:55,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:29:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 379 states and 578 transitions. [2023-12-02 23:29:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 578 transitions. [2023-12-02 23:29:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:29:55,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:55,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:55,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:55,976 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:55,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:29:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:57,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:57,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:29:57,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:57,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:29:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 379 states and 572 transitions. [2023-12-02 23:29:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 572 transitions. [2023-12-02 23:29:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:29:57,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:57,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:57,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:57,361 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:57,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:29:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:58,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:29:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:59,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:29:59,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:29:59,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:29:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:59,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 380 states and 573 transitions. [2023-12-02 23:29:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 573 transitions. [2023-12-02 23:29:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:29:59,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:59,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:29:59,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:29:59,698 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:29:59,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:30:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:01,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:01,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:30:01,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:30:01,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:30:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 381 states and 574 transitions. [2023-12-02 23:30:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 574 transitions. [2023-12-02 23:30:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:30:02,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:02,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:02,069 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:02,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:30:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:03,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:03,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:30:03,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:30:04,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-02 23:30:14,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:30:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 382 states and 575 transitions. [2023-12-02 23:30:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 575 transitions. [2023-12-02 23:30:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:30:14,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:14,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:14,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:14,605 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:14,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:30:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:16,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:16,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:30:16,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:30:16,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:30:27,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:30:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 383 states and 576 transitions. [2023-12-02 23:30:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 576 transitions. [2023-12-02 23:30:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:30:27,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:27,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:27,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:27,338 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:27,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:30:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:28,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:29,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:30:29,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 23:30:29,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:30:29,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:29,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 384 states and 577 transitions. [2023-12-02 23:30:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 577 transitions. [2023-12-02 23:30:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:30:29,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:29,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:29,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:29,825 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:29,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:30:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:31,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:31,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:30:31,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 23:30:31,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:30:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 385 states and 578 transitions. [2023-12-02 23:30:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 578 transitions. [2023-12-02 23:30:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:30:32,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:32,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:32,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:32,497 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:32,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:30:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:34,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:34,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:30:34,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 23:30:34,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:30:45,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:30:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 386 states and 579 transitions. [2023-12-02 23:30:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 579 transitions. [2023-12-02 23:30:45,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:30:45,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:45,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:45,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:45,326 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:45,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:30:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:47,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:47,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:30:47,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 23:30:47,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:30:58,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:30:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 387 states and 580 transitions. [2023-12-02 23:30:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 580 transitions. [2023-12-02 23:30:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:30:58,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:58,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:58,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:58,315 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:58,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:31:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:00,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:00,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:31:00,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 23:31:00,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:31:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 388 states and 581 transitions. [2023-12-02 23:31:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 581 transitions. [2023-12-02 23:31:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 23:31:01,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:01,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:01,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:01,464 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:01,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:31:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:02,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:03,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:31:03,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:31:03,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:31:05,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:31:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 388 states and 575 transitions. [2023-12-02 23:31:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 575 transitions. [2023-12-02 23:31:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 23:31:05,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:05,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:05,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:05,261 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:05,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:31:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:07,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:07,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:31:07,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 23:31:07,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:31:08,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 389 states and 576 transitions. [2023-12-02 23:31:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 576 transitions. [2023-12-02 23:31:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:31:08,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:08,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:08,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:08,483 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:08,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:31:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:10,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:10,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:31:10,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 23:31:11,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:31:21,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:31:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 390 states and 577 transitions. [2023-12-02 23:31:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 577 transitions. [2023-12-02 23:31:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 23:31:21,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:21,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:21,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:21,961 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:21,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:31:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:23,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:24,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:31:24,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 23:31:24,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:31:35,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:31:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 391 states and 578 transitions. [2023-12-02 23:31:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 578 transitions. [2023-12-02 23:31:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:31:35,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:35,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:35,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:35,382 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:35,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:31:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:37,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:38,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:31:38,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 23:31:38,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:31:39,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 392 states and 579 transitions. [2023-12-02 23:31:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 579 transitions. [2023-12-02 23:31:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 23:31:39,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:39,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:39,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:39,155 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:39,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:31:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:41,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:41,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:31:41,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 23:31:42,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:31:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 393 states and 580 transitions. [2023-12-02 23:31:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 580 transitions. [2023-12-02 23:31:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:31:43,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:43,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:43,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:43,016 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:43,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:31:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:44,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:45,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:31:45,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:31:45,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:31:48,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:31:49,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:31:53,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:31:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 418 states and 609 transitions. [2023-12-02 23:31:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 609 transitions. [2023-12-02 23:31:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:31:53,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:53,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:53,205 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:53,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:31:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:55,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:55,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:31:55,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:31:55,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:31:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 418 states and 607 transitions. [2023-12-02 23:31:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 607 transitions. [2023-12-02 23:31:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:31:55,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:55,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:31:55,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:31:55,469 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:31:55,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:31:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:57,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:31:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:58,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:31:58,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:58,593 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 23:31:58,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79867eb-e10b-4784-99f1-29b790581fdc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0