./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.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_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:11:14,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:11:14,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-02 23:11:14,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:11:14,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:11:14,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:11:14,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:11:14,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:11:14,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:11:14,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:11:14,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:11:14,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:11:14,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:11:14,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:11:14,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:11:14,310 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:11:14,311 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:11:14,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:11:14,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:11:14,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:11:14,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:11:14,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:11:14,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:11:14,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:11:14,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:11:14,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:11:14,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:11:14,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:14,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:11:14,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:11:14,318 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:11:14,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:11:14,318 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_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2023-12-02 23:11:14,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:11:14,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:11:14,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:11:14,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:11:14,538 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:11:14,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-12-02 23:11:17,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:11:17,677 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:11:17,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-12-02 23:11:17,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data/fd952c08f/18faf1016d8f462194687a8a1a238189/FLAG14b64b548 [2023-12-02 23:11:17,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data/fd952c08f/18faf1016d8f462194687a8a1a238189 [2023-12-02 23:11:17,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:11:17,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:11:17,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:17,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:11:17,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:11:17,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:17" (1/1) ... [2023-12-02 23:11:17,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212ec999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:17, skipping insertion in model container [2023-12-02 23:11:17,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:17" (1/1) ... [2023-12-02 23:11:17,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:11:18,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:18,281 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:11:18,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:18,395 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:18,402 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:11:18,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18 WrapperNode [2023-12-02 23:11:18,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:18,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:18,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:11:18,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:11:18,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,531 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1515 [2023-12-02 23:11:18,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:18,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:11:18,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:11:18,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:11:18,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:11:18,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:11:18,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:11:18,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:11:18,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:18" (1/1) ... [2023-12-02 23:11:18,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:18,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:11:18,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:11:18,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:11:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:11:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:11:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:11:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:11:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:11:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:11:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:11:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:11:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:11:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:11:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:11:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:11:18,941 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:11:18,944 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:11:20,240 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:11:21,776 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:11:21,776 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-02 23:11:21,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:21 BoogieIcfgContainer [2023-12-02 23:11:21,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:11:21,779 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:11:21,779 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:11:21,789 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:11:21,789 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:11:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-12-02 23:11:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-12-02 23:11:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:11:21,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:21,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,029 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 23:11:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-02 23:11:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-02 23:11:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:11:22,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:22,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,220 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 23:11:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-12-02 23:11:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-12-02 23:11:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:11:22,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:22,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:22,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:22,382 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 23:11:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-12-02 23:11:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-12-02 23:11:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:11:22,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:22,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:22,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:22,492 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 23:11:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-12-02 23:11:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-12-02 23:11:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:11:22,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:22,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:22,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:22,620 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 23:11:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-12-02 23:11:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-12-02 23:11:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:11:22,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:22,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:22,853 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 23:11:32,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 208 transitions. [2023-12-02 23:11:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2023-12-02 23:11:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:11:33,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:33,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:11:33,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:43,515 WARN L539 Checker$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 23:11:53,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:03,572 WARN L539 Checker$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 23:12:13,597 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 23:12:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2023-12-02 23:12:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2023-12-02 23:12:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:12:13,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:13,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:13,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:12:13,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:13,877 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 23:12:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-12-02 23:12:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-12-02 23:12:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:12:13,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:14,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:12:14,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:14,111 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 23:12:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-12-02 23:12:14,122 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-12-02 23:12:14,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:12:14,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:14,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:12:14,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:14,361 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 23:12:24,371 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 23:12:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 146 states and 217 transitions. [2023-12-02 23:12:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 217 transitions. [2023-12-02 23:12:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:12:24,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:24,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:24,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:12:24,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:24,765 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 23:12:34,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:44,808 WARN L539 Checker$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 23:12:54,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:04,867 WARN L539 Checker$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 23:13:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 149 states and 219 transitions. [2023-12-02 23:13:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2023-12-02 23:13:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:04,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:04,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:05,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:13:05,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:05,289 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 23:13:15,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:25,447 WARN L539 Checker$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 23:13:35,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:45,505 WARN L539 Checker$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 23:13:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 184 states and 266 transitions. [2023-12-02 23:13:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 266 transitions. [2023-12-02 23:13:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:46,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:46,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:46,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:13:46,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:46,910 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 23:13:46,946 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 23:13:46,978 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 23:13:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 185 states and 265 transitions. [2023-12-02 23:13:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 265 transitions. [2023-12-02 23:13:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:47,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:47,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:47,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:47,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:47,559 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 23:13:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 184 states and 260 transitions. [2023-12-02 23:13:47,572 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 260 transitions. [2023-12-02 23:13:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:13:47,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:47,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:13:47,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:48,036 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 23:13:58,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:08,080 WARN L539 Checker$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 23:14:18,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:28,153 WARN L539 Checker$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 23:14:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2023-12-02 23:14:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2023-12-02 23:14:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:14:28,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:28,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:28,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:14:28,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:28,424 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 23:14:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 169 states and 239 transitions. [2023-12-02 23:14:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-12-02 23:14:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:14:28,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:28,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:28,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:14:28,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:28,720 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 23:14:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 169 states and 235 transitions. [2023-12-02 23:14:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 235 transitions. [2023-12-02 23:14:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:14:28,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:29,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:14:29,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:29,066 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 23:14:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:29,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 169 states and 234 transitions. [2023-12-02 23:14:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 234 transitions. [2023-12-02 23:14:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:14:29,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:29,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:29,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:14:29,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:29,518 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 23:14:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 177 states and 244 transitions. [2023-12-02 23:14:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 244 transitions. [2023-12-02 23:14:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:14:29,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:29,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:30,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:14:30,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:30,091 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 23:14:30,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 177 states and 242 transitions. [2023-12-02 23:14:30,100 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 242 transitions. [2023-12-02 23:14:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:14:30,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:30,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:30,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:14:30,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:30,503 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 23:14:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 178 states and 244 transitions. [2023-12-02 23:14:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 244 transitions. [2023-12-02 23:14:30,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:14:30,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:30,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:31,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:14:31,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:31,069 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 23:14:41,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 178 states and 242 transitions. [2023-12-02 23:14:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 242 transitions. [2023-12-02 23:14:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:14:41,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:41,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:41,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:14:41,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:14:51,524 WARN L539 Checker$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 23:15:01,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:15:11,589 WARN L539 Checker$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 23:15:21,622 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 23:15:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 189 states and 255 transitions. [2023-12-02 23:15:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 255 transitions. [2023-12-02 23:15:21,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:15:21,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:21,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:22,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:22,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 189 states and 253 transitions. [2023-12-02 23:15:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 253 transitions. [2023-12-02 23:15:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:15:22,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:22,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:22,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:15:22,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:15:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 192 states and 255 transitions. [2023-12-02 23:15:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 255 transitions. [2023-12-02 23:15:22,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:15:22,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:23,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:23,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:23,242 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 23:15:33,255 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 23:15:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:33,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 192 states and 253 transitions. [2023-12-02 23:15:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2023-12-02 23:15:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:15:33,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:33,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:33,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:33,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:33,544 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 23:15:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 192 states and 249 transitions. [2023-12-02 23:15:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2023-12-02 23:15:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:15:33,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:33,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:33,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:15:33,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:33,960 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 23:15:43,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:15:54,017 WARN L539 Checker$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 23:16:04,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:16:14,074 WARN L539 Checker$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 23:16:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 195 states and 251 transitions. [2023-12-02 23:16:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 251 transitions. [2023-12-02 23:16:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:16:14,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:16:24,348 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 23:16:24,351 INFO L158 Benchmark]: Toolchain (without parser) took 306635.56ms. Allocated memory was 144.7MB in the beginning and 274.7MB in the end (delta: 130.0MB). Free memory was 96.2MB in the beginning and 103.4MB in the end (delta: -7.2MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. [2023-12-02 23:16:24,352 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:16:24,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.49ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 61.9MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 23:16:24,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.10ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 61.9MB in the beginning and 143.0MB in the end (delta: -81.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-12-02 23:16:24,354 INFO L158 Benchmark]: Boogie Preprocessor took 135.20ms. Allocated memory is still 178.3MB. Free memory was 143.0MB in the beginning and 132.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:16:24,355 INFO L158 Benchmark]: RCFGBuilder took 3109.26ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 132.5MB in the beginning and 63.8MB in the end (delta: 68.8MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2023-12-02 23:16:24,356 INFO L158 Benchmark]: CodeCheck took 302571.99ms. Allocated memory was 213.9MB in the beginning and 274.7MB in the end (delta: 60.8MB). Free memory was 63.8MB in the beginning and 103.4MB in the end (delta: -39.6MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-12-02 23:16:24,359 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 0.22ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.49ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 61.9MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.10ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 61.9MB in the beginning and 143.0MB in the end (delta: -81.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.20ms. Allocated memory is still 178.3MB. Free memory was 143.0MB in the beginning and 132.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3109.26ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 132.5MB in the beginning and 63.8MB in the end (delta: 68.8MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. * CodeCheck took 302571.99ms. Allocated memory was 213.9MB in the beginning and 274.7MB in the end (delta: 60.8MB). Free memory was 63.8MB in the beginning and 103.4MB in the end (delta: -39.6MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:16:24,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:16:26,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:16:26,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-02 23:16:26,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:16:26,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:16:26,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:16:26,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:16:26,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:16:26,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:16:26,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:16:26,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:16:26,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:16:26,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:16:26,507 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:16:26,508 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:16:26,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:16:26,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:16:26,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:16:26,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:16:26,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:16:26,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:16:26,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:16:26,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:16:26,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:16:26,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:16:26,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:16:26,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:16:26,514 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:26,514 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:16:26,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:16:26,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:26,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:16:26,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:16:26,516 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:16:26,516 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:26,516 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:16:26,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:16:26,517 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_587c58d6-1d13-4a83-ad96-17dbcb6163fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2023-12-02 23:16:26,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:16:26,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:16:26,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:16:26,886 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:16:26,887 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:16:26,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-12-02 23:16:29,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:16:30,237 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:16:30,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-12-02 23:16:30,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data/16ddb3cea/60e41facaffe42938cd1c2b50149033e/FLAG045547d4d [2023-12-02 23:16:30,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/data/16ddb3cea/60e41facaffe42938cd1c2b50149033e [2023-12-02 23:16:30,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:16:30,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:16:30,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:30,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:16:30,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:16:30,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:30" (1/1) ... [2023-12-02 23:16:30,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5f0525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:30, skipping insertion in model container [2023-12-02 23:16:30,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:30" (1/1) ... [2023-12-02 23:16:30,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:16:30,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:30,917 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:16:30,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:16:31,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:31,024 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:16:31,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:31,157 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:16:31,163 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:16:31,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31 WrapperNode [2023-12-02 23:16:31,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:31,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:31,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:16:31,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:16:31,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,277 INFO L138 Inliner]: procedures = 179, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1181 [2023-12-02 23:16:31,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:31,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:16:31,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:16:31,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:16:31,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:16:31,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:16:31,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:16:31,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:16:31,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:31" (1/1) ... [2023-12-02 23:16:31,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:31,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:16:31,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:16:31,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:16:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:16:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:16:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:16:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:16:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:16:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:16:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:16:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:16:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:16:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:16:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:16:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:16:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:16:31,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:16:31,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:16:46,590 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:16:47,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:16:47,167 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-02 23:16:47,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:47 BoogieIcfgContainer [2023-12-02 23:16:47,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:16:47,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:16:47,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:16:47,182 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:16:47,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:47" (1/1) ... [2023-12-02 23:16:47,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:16:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-12-02 23:16:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-12-02 23:16:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:16:47,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:47,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:47,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:47,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:16:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:47,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:47,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:47,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:47,744 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 23:16:47,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-02 23:16:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-02 23:16:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:16:47,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:47,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:47,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:47,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:47,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:16:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:16:48,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:48,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:16:48,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:16:48,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:16:48,413 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 23:16:48,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:16:48,519 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 23:16:48,546 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 23:16:48,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:16:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-12-02 23:16:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-12-02 23:16:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:16:48,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:48,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:48,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:48,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:48,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:16:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:49,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:49,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:49,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:49,502 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 23:16:49,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:16:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-12-02 23:16:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-12-02 23:16:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:16:49,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:49,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:49,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:49,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:49,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:16:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:49,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:50,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:50,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:50,072 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 23:16:50,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:16:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-12-02 23:16:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-12-02 23:16:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:16:50,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:50,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:50,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:50,093 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:50,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:16:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:50,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:50,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:50,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:50,600 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 23:16:50,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:16:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:50,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-12-02 23:16:50,615 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-12-02 23:16:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:16:50,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:50,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:50,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:50,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:50,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:16:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:50,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:51,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:51,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:51,177 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 23:16:51,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:16:51,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 133 states and 206 transitions. [2023-12-02 23:16:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2023-12-02 23:16:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:16:51,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:51,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:51,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:51,825 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:51,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:16:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:52,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:52,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:52,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:52,734 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 23:16:52,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:16:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-12-02 23:16:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-12-02 23:16:53,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:53,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:53,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:54,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:54,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:16:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:54,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:54,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:54,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:54,615 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 23:16:54,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:16:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-12-02 23:16:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-12-02 23:16:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:16:54,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:54,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:54,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:54,642 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:54,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:16:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:55,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:55,365 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 23:16:55,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:16:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 146 states and 217 transitions. [2023-12-02 23:16:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 217 transitions. [2023-12-02 23:16:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:16:55,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:55,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:55,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:55,387 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:55,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:16:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:56,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:56,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:56,392 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 23:16:56,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:16:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 149 states and 219 transitions. [2023-12-02 23:16:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2023-12-02 23:16:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:56,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:56,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:56,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:56,422 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:56,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:16:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:57,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:57,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:16:57,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:57,638 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 23:16:57,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:17:08,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:17:18,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:17:28,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:17:38,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:17:42,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:17:43,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:17:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 184 states and 266 transitions. [2023-12-02 23:17:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 266 transitions. [2023-12-02 23:17:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:44,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:44,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:44,276 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:44,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:17:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:44,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:45,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:45,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:45,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:17:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 184 states and 263 transitions. [2023-12-02 23:17:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 263 transitions. [2023-12-02 23:17:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:17:45,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:45,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:45,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:45,936 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:45,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:17:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:46,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:47,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:47,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:47,142 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 23:17:47,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:17:56,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:17:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 185 states and 264 transitions. [2023-12-02 23:17:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 264 transitions. [2023-12-02 23:17:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:17:56,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:56,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:56,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:56,513 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:56,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:17:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:57,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:58,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:17:58,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:58,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:17:58,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:17:58,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:17:58,083 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 23:17:58,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:17:58,125 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 23:17:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:58,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:17:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 187 states and 267 transitions. [2023-12-02 23:17:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 267 transitions. [2023-12-02 23:17:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:17:58,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:58,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:58,942 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:58,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:17:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:59,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:59,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:17:59,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:59,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:18:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 186 states and 262 transitions. [2023-12-02 23:18:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 262 transitions. [2023-12-02 23:18:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:18:00,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:00,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:00,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:00,010 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:00,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:18:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:00,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:01,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:18:01,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:01,284 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 23:18:01,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:18:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 171 states and 243 transitions. [2023-12-02 23:18:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 243 transitions. [2023-12-02 23:18:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:18:01,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:01,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:01,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:01,325 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:01,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:18:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:02,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:02,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:02,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:02,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-02 23:18:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 171 states and 239 transitions. [2023-12-02 23:18:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 239 transitions. [2023-12-02 23:18:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:18:02,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:02,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:02,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:02,570 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:02,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:18:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:03,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:03,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:03,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:03,858 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 23:18:03,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:18:13,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 171 states and 237 transitions. [2023-12-02 23:18:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 237 transitions. [2023-12-02 23:18:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:18:13,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:13,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:13,942 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:13,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:18:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:15,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:15,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:15,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:15,602 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 23:18:15,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:18:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 171 states and 236 transitions. [2023-12-02 23:18:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 236 transitions. [2023-12-02 23:18:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:18:15,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:15,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:15,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:15,763 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:15,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:18:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:16,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:17,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:18:17,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:17,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:18:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 171 states and 234 transitions. [2023-12-02 23:18:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 234 transitions. [2023-12-02 23:18:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:18:17,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:17,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:17,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:17,127 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:17,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:18:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:18,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:18,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:18:18,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:18,811 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 23:18:18,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:18:21,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:31,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:41,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:51,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 179 states and 244 transitions. [2023-12-02 23:18:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 244 transitions. [2023-12-02 23:18:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:18:51,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:51,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:51,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:51,574 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:51,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:18:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:52,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:53,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:18:53,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:53,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:19:03,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:13,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-02 23:19:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-02 23:19:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:19:13,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:13,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:13,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:13,583 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:13,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:19:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:14,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:15,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:19:15,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:15,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:19:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 180 states and 244 transitions. [2023-12-02 23:19:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2023-12-02 23:19:15,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:19:15,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:15,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:15,190 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:15,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:19:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:16,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:16,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:16,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:16,978 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 23:19:16,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:19:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 191 states and 257 transitions. [2023-12-02 23:19:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 257 transitions. [2023-12-02 23:19:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:19:17,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:17,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:17,066 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:17,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:19:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:18,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:19,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:19:19,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:19:19,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:19:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2023-12-02 23:19:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2023-12-02 23:19:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:19:19,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:19,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:19,402 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:19,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:19:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:21,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:21,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:19:21,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:19:22,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:19:32,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:42,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 194 states and 257 transitions. [2023-12-02 23:19:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 257 transitions. [2023-12-02 23:19:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:19:42,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:42,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:42,262 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:42,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:19:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:43,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:44,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:19:44,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:44,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:19:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 194 states and 255 transitions. [2023-12-02 23:19:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 255 transitions. [2023-12-02 23:19:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:19:44,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:44,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:44,391 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:44,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:19:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:46,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:46,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:19:46,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:46,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:19:46,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:46,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 194 states and 251 transitions. [2023-12-02 23:19:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 251 transitions. [2023-12-02 23:19:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:19:46,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:46,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:46,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:46,762 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:46,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:19:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:48,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:48,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:48,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:19:49,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:19:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 197 states and 253 transitions. [2023-12-02 23:19:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 253 transitions. [2023-12-02 23:19:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:19:49,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:49,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:49,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:49,053 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:49,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:19:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:50,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:51,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:19:51,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:51,377 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 23:19:51,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:52,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 198 states and 251 transitions. [2023-12-02 23:19:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 251 transitions. [2023-12-02 23:19:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:19:52,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:52,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:52,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:52,263 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:52,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:19:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:54,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:54,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:19:54,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:55,036 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 23:19:55,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:20:05,891 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 23:20:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 199 states and 252 transitions. [2023-12-02 23:20:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 252 transitions. [2023-12-02 23:20:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:20:05,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:05,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:05,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:05,952 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:05,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:20:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:07,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:08,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:20:08,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:08,537 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 23:20:08,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:20:19,466 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 23:20:19,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:19,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 200 states and 253 transitions. [2023-12-02 23:20:19,538 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 253 transitions. [2023-12-02 23:20:19,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:20:19,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:19,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:19,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:19,540 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:19,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:20:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:21,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:21,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:20:21,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:22,118 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 23:20:22,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:20:33,070 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 23:20:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 201 states and 254 transitions. [2023-12-02 23:20:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2023-12-02 23:20:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 23:20:33,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:33,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:33,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:33,116 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:33,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:20:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:35,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:35,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:20:35,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:35,896 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 23:20:35,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:20:36,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 202 states and 255 transitions. [2023-12-02 23:20:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2023-12-02 23:20:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:20:36,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:36,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:36,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:36,907 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:36,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:20:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:38,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:39,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:20:39,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:39,527 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 23:20:39,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:20:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 203 states and 256 transitions. [2023-12-02 23:20:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 256 transitions. [2023-12-02 23:20:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 23:20:40,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:40,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:40,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:40,577 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:40,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:20:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:42,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:42,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:20:42,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:43,124 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 23:20:43,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:20:54,225 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 23:20:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 204 states and 257 transitions. [2023-12-02 23:20:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 257 transitions. [2023-12-02 23:20:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:20:54,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:54,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:54,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:54,276 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:54,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:20:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:56,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:57,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:20:57,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:57,288 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 23:20:57,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:21:08,423 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 23:21:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 205 states and 258 transitions. [2023-12-02 23:21:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 258 transitions. [2023-12-02 23:21:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 23:21:08,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:08,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:08,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:08,476 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:08,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:21:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:10,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:11,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:21:11,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:11,439 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 23:21:11,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:21:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 206 states and 259 transitions. [2023-12-02 23:21:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 259 transitions. [2023-12-02 23:21:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:21:12,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:12,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:12,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:12,673 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:12,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:21:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:14,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:15,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:21:15,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:15,530 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 23:21:15,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:21:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 207 states and 260 transitions. [2023-12-02 23:21:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 260 transitions. [2023-12-02 23:21:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 23:21:16,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:16,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:16,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:16,849 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:16,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:21:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:19,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:19,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:21:19,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:20,053 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 23:21:20,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:21:26,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 208 states and 261 transitions. [2023-12-02 23:21:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 261 transitions. [2023-12-02 23:21:26,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:21:26,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:26,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:26,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:26,770 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:26,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:21:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:29,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:29,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:21:29,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:30,082 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 23:21:30,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:21:41,519 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 23:21:41,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 209 states and 262 transitions. [2023-12-02 23:21:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 262 transitions. [2023-12-02 23:21:41,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 23:21:41,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:41,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:41,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:41,580 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:41,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:21:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:44,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:44,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:21:44,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:44,777 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 23:21:44,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:21:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 210 states and 263 transitions. [2023-12-02 23:21:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 263 transitions. [2023-12-02 23:21:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 23:21:46,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:46,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:46,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:46,222 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:46,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:21:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:48,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:49,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:21:49,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:49,761 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 23:21:49,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:21:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 211 states and 264 transitions. [2023-12-02 23:21:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 264 transitions. [2023-12-02 23:21:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:21:51,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:51,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:51,187 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:51,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:21:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:53,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:54,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:21:54,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:54,539 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 23:21:54,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:22:06,144 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 23:22:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 212 states and 265 transitions. [2023-12-02 23:22:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 265 transitions. [2023-12-02 23:22:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 23:22:06,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:06,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:06,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:06,204 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:06,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:22:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:08,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:09,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:22:09,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:09,817 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 23:22:09,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:22:21,511 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 23:22:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:21,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 213 states and 266 transitions. [2023-12-02 23:22:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 266 transitions. [2023-12-02 23:22:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:22:21,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:21,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:21,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:21,570 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:21,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:22:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:24,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:24,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:22:24,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:24,875 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 23:22:24,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:22:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 214 states and 267 transitions. [2023-12-02 23:22:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 267 transitions. [2023-12-02 23:22:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 23:22:26,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:26,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:26,579 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:26,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:22:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:29,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:29,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:22:29,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:30,390 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 23:22:30,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:22:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 215 states and 268 transitions. [2023-12-02 23:22:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 268 transitions. [2023-12-02 23:22:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:22:32,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:32,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:32,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:32,116 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:32,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:22:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:34,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:35,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:22:35,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:35,872 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 23:22:35,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:22:47,695 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 23:22:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 216 states and 269 transitions. [2023-12-02 23:22:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 269 transitions. [2023-12-02 23:22:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:22:47,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:47,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:47,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:47,757 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:47,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:22:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:50,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:50,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:22:50,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 23:22:51,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:23:03,236 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 23:23:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 217 states and 270 transitions. [2023-12-02 23:23:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 270 transitions. [2023-12-02 23:23:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:23:03,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:03,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:03,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:03,294 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:03,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:23:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:06,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:06,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:23:06,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 23:23:07,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:23:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 218 states and 271 transitions. [2023-12-02 23:23:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 271 transitions. [2023-12-02 23:23:09,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 23:23:09,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:09,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:09,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:09,332 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:09,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:23:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:12,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:12,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:23:12,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 23:23:13,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:23:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 219 states and 272 transitions. [2023-12-02 23:23:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 272 transitions. [2023-12-02 23:23:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 23:23:15,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:15,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:15,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:15,401 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:15,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:23:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:18,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:19,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:23:19,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 23:23:19,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:23:31,550 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 23:23:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 220 states and 273 transitions. [2023-12-02 23:23:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 273 transitions. [2023-12-02 23:23:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 23:23:31,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:31,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:31,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:31,611 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:31,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:23:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:34,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:34,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:23:34,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 23:23:35,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:23:47,655 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 23:23:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 221 states and 274 transitions. [2023-12-02 23:23:47,733 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 274 transitions. [2023-12-02 23:23:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 23:23:47,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:47,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:47,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:47,734 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:47,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:23:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:50,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:51,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:23:51,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 23:23:51,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:23:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 222 states and 275 transitions. [2023-12-02 23:23:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 275 transitions. [2023-12-02 23:23:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 23:23:54,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:54,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:54,118 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:54,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:23:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:57,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:58,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:23:58,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 23:23:58,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:24:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 223 states and 276 transitions. [2023-12-02 23:24:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 276 transitions. [2023-12-02 23:24:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 23:24:01,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:01,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:01,014 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:24:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:04,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:05,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:24:05,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 23:24:05,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:24:18,157 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 23:24:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 224 states and 277 transitions. [2023-12-02 23:24:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 277 transitions. [2023-12-02 23:24:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:24:18,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:18,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:18,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:18,217 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:18,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:24:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:21,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:21,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:24:21,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 23:24:22,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:24:35,058 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 23:24:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 225 states and 278 transitions. [2023-12-02 23:24:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2023-12-02 23:24:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 23:24:35,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:35,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:35,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:35,124 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:35,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:24:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:38,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:38,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:24:38,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 23:24:39,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:24:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:42,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 226 states and 279 transitions. [2023-12-02 23:24:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 279 transitions. [2023-12-02 23:24:42,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 23:24:42,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:42,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:42,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:42,068 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:42,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:24:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:45,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:46,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:24:46,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 23:24:46,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 23:24:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 227 states and 280 transitions. [2023-12-02 23:24:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 280 transitions. [2023-12-02 23:24:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 23:24:49,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:49,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:49,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:49,353 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:49,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:24:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:53,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:53,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:24:53,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 23:24:54,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:25:07,034 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 23:25:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 228 states and 281 transitions. [2023-12-02 23:25:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2023-12-02 23:25:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:25:07,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:07,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:25:07,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:25:07,097 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:25:07,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:25:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:10,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:25:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:11,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:25:11,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 23:25:12,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:25:25,062 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 23:25:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 229 states and 282 transitions. [2023-12-02 23:25:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2023-12-02 23:25:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 23:25:25,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:25:25,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:25:25,125 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:25:25,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:25:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:29,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:25:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:29,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:25:29,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-02 23:25:30,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587c58d6-1d13-4a83-ad96-17dbcb6163fc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0