./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/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_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/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_38c0faaf-0e72-46ed-a54d-1f809283de1e/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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:56:37,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:56:37,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-03 00:56:37,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:56:37,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:56:37,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:56:37,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:56:37,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:56:37,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:56:37,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:56:37,178 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:56:37,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:56:37,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:56:37,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:56:37,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:56:37,181 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:56:37,181 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:56:37,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:56:37,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:56:37,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:56:37,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:56:37,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:56:37,185 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:56:37,185 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:56:37,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:56:37,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:56:37,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:56:37,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:56:37,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:56:37,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:56:37,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:56:37,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:56:37,189 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_38c0faaf-0e72-46ed-a54d-1f809283de1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2023-12-03 00:56:37,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:56:37,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:56:37,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:56:37,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:56:37,440 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:56:37,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-12-03 00:56:40,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:56:40,455 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:56:40,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-12-03 00:56:40,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data/ae934b4c7/e674b21a0e1d48e8a8bd0e8a79f3cbb6/FLAG0f80a63ee [2023-12-03 00:56:40,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data/ae934b4c7/e674b21a0e1d48e8a8bd0e8a79f3cbb6 [2023-12-03 00:56:40,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:56:40,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:56:40,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:56:40,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:56:40,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:56:40,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:56:40" (1/1) ... [2023-12-03 00:56:40,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bdc36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:40, skipping insertion in model container [2023-12-03 00:56:40,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:56:40" (1/1) ... [2023-12-03 00:56:40,580 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:56:41,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:56:41,055 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:56:41,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:56:41,188 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:56:41,197 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:56:41,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41 WrapperNode [2023-12-03 00:56:41,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:56:41,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:56:41,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:56:41,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:56:41,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,299 INFO L138 Inliner]: procedures = 207, calls = 281, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1367 [2023-12-03 00:56:41,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:56:41,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:56:41,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:56:41,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:56:41,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:56:41,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:56:41,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:56:41,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:56:41,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:56:41" (1/1) ... [2023-12-03 00:56:41,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:56:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:56:41,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:56:41,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:56:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:56:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:56:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:56:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:56:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:56:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:56:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:56:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:56:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:56:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:56:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:56:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:56:41,669 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:56:41,670 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:56:42,920 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:56:44,230 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:56:44,230 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:56:44,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:56:44 BoogieIcfgContainer [2023-12-03 00:56:44,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:56:44,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:56:44,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:56:44,242 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:56:44,242 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:56:44" (1/1) ... [2023-12-03 00:56:44,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:56:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 197 transitions. [2023-12-03 00:56:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 197 transitions. [2023-12-03 00:56:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:56:44,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 198 transitions. [2023-12-03 00:56:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2023-12-03 00:56:44,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:56:44,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2023-12-03 00:56:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2023-12-03 00:56:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:56:44,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2023-12-03 00:56:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-12-03 00:56:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:56:44,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 203 transitions. [2023-12-03 00:56:44,895 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2023-12-03 00:56:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:56:44,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2023-12-03 00:56:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2023-12-03 00:56:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:56:44,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:45,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:45,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 121 states and 199 transitions. [2023-12-03 00:56:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2023-12-03 00:56:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:56:45,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:45,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 128 states and 210 transitions. [2023-12-03 00:56:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 210 transitions. [2023-12-03 00:56:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:56:45,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:45,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 128 states and 206 transitions. [2023-12-03 00:56:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 206 transitions. [2023-12-03 00:56:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:56:45,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:45,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 202 transitions. [2023-12-03 00:56:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 202 transitions. [2023-12-03 00:56:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:56:45,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:45,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 128 states and 200 transitions. [2023-12-03 00:56:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 200 transitions. [2023-12-03 00:56:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:56:45,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:45,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 194 transitions. [2023-12-03 00:56:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 194 transitions. [2023-12-03 00:56:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:56:45,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:45,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:55,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:56:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 128 states and 192 transitions. [2023-12-03 00:56:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 192 transitions. [2023-12-03 00:56:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:56:55,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:55,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 133 states and 201 transitions. [2023-12-03 00:56:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 201 transitions. [2023-12-03 00:56:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:56:57,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:57,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:57,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:57,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:57:07,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 133 states and 195 transitions. [2023-12-03 00:57:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2023-12-03 00:57:07,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:57:07,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:57:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:07,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:57:07,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:57:17,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:27,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:38,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:48,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 144 states and 207 transitions. [2023-12-03 00:57:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 207 transitions. [2023-12-03 00:57:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:57:48,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:48,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:57:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:48,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:57:48,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:57:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 144 states and 205 transitions. [2023-12-03 00:57:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 205 transitions. [2023-12-03 00:57:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:57:48,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:48,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:57:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:48,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:57:48,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:57:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 144 states and 203 transitions. [2023-12-03 00:57:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 203 transitions. [2023-12-03 00:57:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:57:48,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:48,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:57:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:48,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:57:48,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:57:58,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 144 states and 201 transitions. [2023-12-03 00:57:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 201 transitions. [2023-12-03 00:57:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:57:58,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:58,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:57:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:59,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:57:59,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:58:09,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:58:19,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:58:29,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:58:39,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:58:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 147 states and 203 transitions. [2023-12-03 00:58:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 203 transitions. [2023-12-03 00:58:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 00:58:39,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:39,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:58:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:39,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:58:39,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:58:49,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:58:59,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:59:10,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:59:20,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:59:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 182 states and 250 transitions. [2023-12-03 00:59:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2023-12-03 00:59:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:59:20,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:20,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:20,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:59:20,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 182 states and 248 transitions. [2023-12-03 00:59:20,996 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 248 transitions. [2023-12-03 00:59:20,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:59:20,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:20,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:59:21,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:59:31,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:59:41,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:59:51,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:01,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 167 states and 229 transitions. [2023-12-03 01:00:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 229 transitions. [2023-12-03 01:00:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:00:01,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:01,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:01,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:00:01,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:01,763 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 11 treesize of output 7 [2023-12-03 01:00:01,770 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 7 treesize of output 3 [2023-12-03 01:00:01,936 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 11 treesize of output 7 [2023-12-03 01:00:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:00:12,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:22,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:32,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:42,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:44,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 200 states and 272 transitions. [2023-12-03 01:00:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 272 transitions. [2023-12-03 01:00:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:00:44,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:44,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:44,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:00:44,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:44,331 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 11 treesize of output 7 [2023-12-03 01:00:44,339 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 7 treesize of output 3 [2023-12-03 01:00:44,494 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 11 treesize of output 7 [2023-12-03 01:00:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:00:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 205 states and 278 transitions. [2023-12-03 01:00:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 278 transitions. [2023-12-03 01:00:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:00:45,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:45,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:00:45,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 205 states and 277 transitions. [2023-12-03 01:00:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2023-12-03 01:00:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:00:45,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:45,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:45,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:00:45,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 213 states and 287 transitions. [2023-12-03 01:00:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 287 transitions. [2023-12-03 01:00:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 01:00:46,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:46,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:00:46,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:46,502 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 11 treesize of output 7 [2023-12-03 01:00:46,507 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 7 treesize of output 3 [2023-12-03 01:00:46,634 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 11 treesize of output 7 [2023-12-03 01:00:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:00:56,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:01:06,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:01:16,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:01:26,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:01:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2023-12-03 01:01:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2023-12-03 01:01:26,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:01:26,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:26,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:27,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:01:27,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:01:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 199 states and 270 transitions. [2023-12-03 01:01:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 270 transitions. [2023-12-03 01:01:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:01:27,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:27,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:27,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:01:27,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:27,888 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 11 treesize of output 7 [2023-12-03 01:01:27,894 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 7 treesize of output 3 [2023-12-03 01:01:28,038 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 11 treesize of output 7 [2023-12-03 01:01:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:01:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 207 states and 280 transitions. [2023-12-03 01:01:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 280 transitions. [2023-12-03 01:01:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:01:28,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:28,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:28,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:01:28,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 207 states and 278 transitions. [2023-12-03 01:01:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 278 transitions. [2023-12-03 01:01:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:01:28,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:28,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:29,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:01:29,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:01:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 210 states and 280 transitions. [2023-12-03 01:01:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 280 transitions. [2023-12-03 01:01:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:01:29,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:29,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:29,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:01:29,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:01:40,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:01:50,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:02:00,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:02:10,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:02:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 226 states and 301 transitions. [2023-12-03 01:02:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 301 transitions. [2023-12-03 01:02:10,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:02:10,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:10,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:11,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:02:11,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:11,248 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 11 treesize of output 7 [2023-12-03 01:02:11,254 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 7 treesize of output 3 [2023-12-03 01:02:11,409 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 11 treesize of output 7 [2023-12-03 01:02:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:02:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 227 states and 303 transitions. [2023-12-03 01:02:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 303 transitions. [2023-12-03 01:02:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:02:12,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:12,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:02:12,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:02:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 227 states and 299 transitions. [2023-12-03 01:02:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 299 transitions. [2023-12-03 01:02:12,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:02:12,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:12,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:12,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:02:12,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:02:22,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:02:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:22,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 227 states and 297 transitions. [2023-12-03 01:02:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 297 transitions. [2023-12-03 01:02:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:02:22,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:22,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:23,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:02:23,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:02:33,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:02:43,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:02:53,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:03:03,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:03:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 230 states and 299 transitions. [2023-12-03 01:03:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 299 transitions. [2023-12-03 01:03:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:03:03,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:03:03,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:03,565 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 11 treesize of output 7 [2023-12-03 01:03:03,570 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 7 treesize of output 3 [2023-12-03 01:03:03,768 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 11 treesize of output 7 [2023-12-03 01:03:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:03:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 233 states and 301 transitions. [2023-12-03 01:03:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 301 transitions. [2023-12-03 01:03:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:03:04,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:03:15,246 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:03:15,248 INFO L158 Benchmark]: Toolchain (without parser) took 394761.17ms. Allocated memory was 174.1MB in the beginning and 253.8MB in the end (delta: 79.7MB). Free memory was 134.9MB in the beginning and 78.5MB in the end (delta: 56.4MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. [2023-12-03 01:03:15,249 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:15,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.39ms. Allocated memory is still 174.1MB. Free memory was 134.3MB in the beginning and 111.2MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:03:15,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.64ms. Allocated memory is still 174.1MB. Free memory was 111.2MB in the beginning and 102.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:03:15,250 INFO L158 Benchmark]: Boogie Preprocessor took 99.57ms. Allocated memory is still 174.1MB. Free memory was 102.0MB in the beginning and 93.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:03:15,250 INFO L158 Benchmark]: RCFGBuilder took 2831.66ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 93.0MB in the beginning and 105.0MB in the end (delta: -12.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2023-12-03 01:03:15,250 INFO L158 Benchmark]: CodeCheck took 391015.54ms. Allocated memory was 209.7MB in the beginning and 253.8MB in the end (delta: 44.0MB). Free memory was 105.0MB in the beginning and 78.5MB in the end (delta: 26.5MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2023-12-03 01:03:15,252 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 0.18ms. Allocated memory is still 119.5MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.39ms. Allocated memory is still 174.1MB. Free memory was 134.3MB in the beginning and 111.2MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.64ms. Allocated memory is still 174.1MB. Free memory was 111.2MB in the beginning and 102.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.57ms. Allocated memory is still 174.1MB. Free memory was 102.0MB in the beginning and 93.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2831.66ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 93.0MB in the beginning and 105.0MB in the end (delta: -12.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * CodeCheck took 391015.54ms. Allocated memory was 209.7MB in the beginning and 253.8MB in the end (delta: 44.0MB). Free memory was 105.0MB in the beginning and 78.5MB in the end (delta: 26.5MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:03:15,461 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 01:03:15,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/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_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/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_38c0faaf-0e72-46ed-a54d-1f809283de1e/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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:03:17,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:03:17,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-03 01:03:17,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:03:17,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:03:17,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:03:17,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:03:17,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:03:17,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:03:17,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:03:17,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:03:17,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:03:17,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:03:17,260 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 01:03:17,260 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 01:03:17,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:03:17,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:03:17,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:03:17,262 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:03:17,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:03:17,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:03:17,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:03:17,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:03:17,264 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:03:17,265 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:03:17,265 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:03:17,266 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:03:17,266 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:17,267 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:03:17,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:03:17,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:17,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:03:17,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:03:17,269 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:03:17,269 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:17,269 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:03:17,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:03:17,270 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_38c0faaf-0e72-46ed-a54d-1f809283de1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2023-12-03 01:03:17,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:03:17,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:03:17,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:03:17,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:03:17,609 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:03:17,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-12-03 01:03:20,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:03:20,750 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:03:20,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-12-03 01:03:20,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data/b627304ef/82beddb6ee334e1b9f006b066b8ce576/FLAG5883c383b [2023-12-03 01:03:20,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/data/b627304ef/82beddb6ee334e1b9f006b066b8ce576 [2023-12-03 01:03:20,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:03:20,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:03:20,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:20,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:03:20,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:03:20,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:20" (1/1) ... [2023-12-03 01:03:20,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7140087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:20, skipping insertion in model container [2023-12-03 01:03:20,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:20" (1/1) ... [2023-12-03 01:03:20,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:21,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:21,478 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:03:21,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:21,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:21,570 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:03:21,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:21,699 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:21,705 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:03:21,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21 WrapperNode [2023-12-03 01:03:21,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:21,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:21,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:03:21,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:03:21,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,804 INFO L138 Inliner]: procedures = 210, calls = 281, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1040 [2023-12-03 01:03:21,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:21,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:03:21,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:03:21,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:03:21,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:03:21,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:03:21,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:03:21,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:03:21,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:21,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:03:21,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:03:21,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:03:22,190 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:03:22,193 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:03:36,556 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:03:36,961 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:03:36,961 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 01:03:36,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:36 BoogieIcfgContainer [2023-12-03 01:03:36,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:03:36,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:03:36,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:03:36,971 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:03:36,972 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:36" (1/1) ... [2023-12-03 01:03:36,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:03:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 197 transitions. [2023-12-03 01:03:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 197 transitions. [2023-12-03 01:03:37,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:37,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:37,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:37,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:37,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:37,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:03:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:37,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:37,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:37,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:37,458 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:37,459 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:37,478 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))) is different from true [2023-12-03 01:03:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:37,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:37,550 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) is different from false [2023-12-03 01:03:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:37,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:37,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:37,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:37,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:37,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:03:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:37,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:37,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:37,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:37,861 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:37,861 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:37,874 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) is different from true [2023-12-03 01:03:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:37,877 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:37,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:03:37,888 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) is different from true [2023-12-03 01:03:37,891 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1))))) is different from false [2023-12-03 01:03:37,898 WARN L854 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))))) is different from false [2023-12-03 01:03:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:37,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:37,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:37,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:37,907 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:37,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:03:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:38,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:38,216 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:38,216 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:38,231 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|)))) is different from true [2023-12-03 01:03:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:38,234 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:38,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:03:38,242 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|))))) is different from false [2023-12-03 01:03:38,247 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|)))))) is different from false [2023-12-03 01:03:38,254 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|))))))) is different from true [2023-12-03 01:03:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:38,259 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:38,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:38,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:38,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:38,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:03:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:38,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:38,556 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:38,557 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:38,569 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|)))) is different from true [2023-12-03 01:03:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:38,573 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:38,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:03:38,585 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|))))) is different from true [2023-12-03 01:03:38,588 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|))))) is different from false [2023-12-03 01:03:38,595 WARN L854 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|)))))) is different from false [2023-12-03 01:03:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:38,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:38,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:38,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:38,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:38,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:03:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:38,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:38,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:38,881 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:38,881 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:38,894 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_33| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33| (_ bv0 1)) |c_#valid|))) is different from true [2023-12-03 01:03:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:38,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:38,906 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_33| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33| (_ bv0 1)) |c_#valid|)))) is different from false [2023-12-03 01:03:38,912 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_33| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33| (_ bv0 1)) |c_#valid|)))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|)))))) is different from false [2023-12-03 01:03:38,920 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_33| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33| (_ bv0 1)) |c_#valid|)))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|))))))) is different from true [2023-12-03 01:03:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:38,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:38,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:38,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:38,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:38,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:03:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:03:39,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:39,265 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_34| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34|) (_ bv0 1)))) is different from true [2023-12-03 01:03:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:39,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:03:39,404 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_34| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|))))) is different from true [2023-12-03 01:03:39,407 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_34| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34|) (_ bv0 1))))) is different from false [2023-12-03 01:03:39,415 WARN L854 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_34| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|)))))) is different from false [2023-12-03 01:03:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:39,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:39,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:39,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:03:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:39,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:39,686 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:39,686 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:39,696 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_35| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35| (_ bv0 1)) |c_#valid|))) is different from true [2023-12-03 01:03:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:39,699 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:03:39,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:03:39,707 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_35| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35| (_ bv0 1)) |c_#valid|)))) is different from false [2023-12-03 01:03:39,714 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_33| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33| (_ bv0 1)) |c_#valid|)))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_35| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35| (_ bv0 1)) |c_#valid|)))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|)))))) is different from false [2023-12-03 01:03:39,723 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_33| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_33| (_ bv0 1)) |c_#valid|)))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_35| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_35| (_ bv0 1)) |c_#valid|)))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1)))))) (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_31| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_31|))))))) is different from true [2023-12-03 01:03:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:39,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:39,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:39,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:39,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:39,729 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:39,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:03:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:39,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:39,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:40,002 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:40,002 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:40,014 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_36| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36| (_ bv0 1)) |c_#valid|))) is different from true [2023-12-03 01:03:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:40,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:03:40,031 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_36| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36| (_ bv0 1)) |c_#valid|))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_34| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|))))) is different from true [2023-12-03 01:03:40,034 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_36| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36| (_ bv0 1)) |c_#valid|)))) is different from false [2023-12-03 01:03:40,041 WARN L854 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_36| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_36| (_ bv0 1)) |c_#valid|))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_30| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_30|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_29| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29|) (_ bv0 1)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_29| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_34| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_34|) (_ bv0 1)))) (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_32| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_32|)))))) is different from false [2023-12-03 01:03:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2023-12-03 01:03:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2023-12-03 01:03:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:40,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:40,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:40,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:40,051 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:40,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:03:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:40,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:03:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:40,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:03:40,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:40,296 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:03:40,296 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2023-12-03 01:03:40,307 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_37| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_37|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_37| (_ bv0 1)) |c_#valid|))) is different from true [2023-12-03 01:03:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:40,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:03:40,312 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.core.lib.util.MonitoredProcess.forceShutdown(MonitoredProcess.java:412) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.exit(Executor.java:188) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.exit(Scriptor.java:215) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.exit(WrapperScript.java:213) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.exit(WrapperScript.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:449) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:03:40,316 INFO L158 Benchmark]: Toolchain (without parser) took 19527.93ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 72.6MB in the beginning and 73.7MB in the end (delta: -1.1MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-12-03 01:03:40,316 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:40,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 916.14ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 45.7MB in the end (delta: 27.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-12-03 01:03:40,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.97ms. Allocated memory is still 98.6MB. Free memory was 45.7MB in the beginning and 38.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:03:40,318 INFO L158 Benchmark]: Boogie Preprocessor took 113.49ms. Allocated memory is still 98.6MB. Free memory was 38.8MB in the beginning and 66.0MB in the end (delta: -27.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-12-03 01:03:40,319 INFO L158 Benchmark]: RCFGBuilder took 15043.47ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.0MB in the beginning and 76.9MB in the end (delta: -10.9MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-12-03 01:03:40,320 INFO L158 Benchmark]: CodeCheck took 3351.17ms. Allocated memory is still 119.5MB. Free memory was 76.9MB in the beginning and 73.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2023-12-03 01:03:40,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.core.lib.util.MonitoredProcess.forceShutdown(MonitoredProcess.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 916.14ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 45.7MB in the end (delta: 27.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.97ms. Allocated memory is still 98.6MB. Free memory was 45.7MB in the beginning and 38.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.49ms. Allocated memory is still 98.6MB. Free memory was 38.8MB in the beginning and 66.0MB in the end (delta: -27.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 15043.47ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.0MB in the beginning and 76.9MB in the end (delta: -10.9MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * CodeCheck took 3351.17ms. Allocated memory is still 119.5MB. Free memory was 76.9MB in the beginning and 73.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:03:40,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0faaf-0e72-46ed-a54d-1f809283de1e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null