./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:13:49,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:13:49,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:13:49,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:13:49,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:13:49,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:13:49,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:13:49,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:13:49,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:13:49,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:13:49,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:13:49,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:13:49,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:13:49,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:13:49,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:13:49,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:13:49,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:13:49,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:13:49,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:13:49,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:13:49,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:13:49,942 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:13:49,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:13:49,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:13:49,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:49,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:13:49,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:13:49,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:13:49,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:13:49,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:13:49,944 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_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 [2024-11-09 00:13:50,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:13:50,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:13:50,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:13:50,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:13:50,311 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:13:50,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c Unable to find full path for "g++" [2024-11-09 00:13:52,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:13:52,911 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:13:52,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-11-09 00:13:52,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data/7835e8fbe/0f07cb05327d4fc48d44cc15ce0a0cdc/FLAG55fd60a1f [2024-11-09 00:13:53,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data/7835e8fbe/0f07cb05327d4fc48d44cc15ce0a0cdc [2024-11-09 00:13:53,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:13:53,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:13:53,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:53,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:13:53,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:13:53,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:53" (1/1) ... [2024-11-09 00:13:53,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4867c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:53, skipping insertion in model container [2024-11-09 00:13:53,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:53" (1/1) ... [2024-11-09 00:13:53,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:13:53,411 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-09 00:13:53,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:53,927 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:13:53,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-09 00:13:54,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:54,237 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:13:54,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54 WrapperNode [2024-11-09 00:13:54,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:54,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:54,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:13:54,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:13:54,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:54,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,016 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3716 [2024-11-09 00:13:55,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:55,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:13:55,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:13:55,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:13:55,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:13:55,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:13:55,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:13:55,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:13:55,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:54" (1/1) ... [2024-11-09 00:13:55,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:55,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:13:55,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:13:55,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:13:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:13:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:13:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:13:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:13:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:13:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:13:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:13:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:13:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:13:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:13:56,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:13:56,205 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:14:00,776 INFO L? ?]: Removed 1927 outVars from TransFormulas that were not future-live. [2024-11-09 00:14:00,776 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:14:05,501 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:14:05,502 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:14:05,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:05 BoogieIcfgContainer [2024-11-09 00:14:05,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:14:05,503 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:14:05,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:14:05,513 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:14:05,514 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:05" (1/1) ... [2024-11-09 00:14:05,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:14:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 73 states and 114 transitions. [2024-11-09 00:14:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-11-09 00:14:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:14:05,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:05,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:14:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2024-11-09 00:14:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2024-11-09 00:14:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:14:07,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:07,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:14:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2024-11-09 00:14:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-09 00:14:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:14:07,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:07,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:14:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2024-11-09 00:14:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-11-09 00:14:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:14:09,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:09,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:14:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 77 states and 116 transitions. [2024-11-09 00:14:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2024-11-09 00:14:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:10,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:10,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:14:11,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2024-11-09 00:14:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2024-11-09 00:14:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:14:11,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:11,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:14:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2024-11-09 00:14:12,271 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2024-11-09 00:14:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:14:12,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:12,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:14:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 80 states and 118 transitions. [2024-11-09 00:14:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2024-11-09 00:14:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:14:12,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:12,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:14:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2024-11-09 00:14:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2024-11-09 00:14:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:14:13,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:13,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:14:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:14,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 83 states and 121 transitions. [2024-11-09 00:14:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2024-11-09 00:14:14,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:14:14,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:14,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:14:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 83 states and 120 transitions. [2024-11-09 00:14:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2024-11-09 00:14:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:14:14,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:14,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:14:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:15,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 85 states and 122 transitions. [2024-11-09 00:14:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2024-11-09 00:14:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:14:15,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:15,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:14:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 124 transitions. [2024-11-09 00:14:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2024-11-09 00:14:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:14:16,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:16,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:14:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 89 states and 126 transitions. [2024-11-09 00:14:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-11-09 00:14:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:14:17,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 00:14:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 101 states and 144 transitions. [2024-11-09 00:14:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2024-11-09 00:14:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:14:28,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-09 00:14:31,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:14:32,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 102 states and 145 transitions. [2024-11-09 00:14:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2024-11-09 00:14:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:14:32,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-09 00:14:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 102 states and 144 transitions. [2024-11-09 00:14:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-09 00:14:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 00:14:33,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:33,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-09 00:14:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2024-11-09 00:14:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2024-11-09 00:14:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 00:14:35,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:35,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-09 00:14:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 105 states and 147 transitions. [2024-11-09 00:14:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2024-11-09 00:14:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 00:14:36,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-09 00:14:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 105 states and 146 transitions. [2024-11-09 00:14:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 146 transitions. [2024-11-09 00:14:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 00:14:38,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:38,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-09 00:14:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 148 transitions. [2024-11-09 00:14:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2024-11-09 00:14:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:14:40,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:40,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-09 00:14:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:41,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 108 states and 149 transitions. [2024-11-09 00:14:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 149 transitions. [2024-11-09 00:14:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 00:14:41,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:41,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-09 00:14:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2024-11-09 00:14:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2024-11-09 00:14:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 00:14:42,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-09 00:14:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 110 states and 150 transitions. [2024-11-09 00:14:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 150 transitions. [2024-11-09 00:14:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 00:14:44,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-09 00:14:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 111 states and 151 transitions. [2024-11-09 00:14:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2024-11-09 00:14:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 00:14:45,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:45,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-09 00:14:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 111 states and 150 transitions. [2024-11-09 00:14:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 150 transitions. [2024-11-09 00:14:46,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 00:14:46,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:46,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-09 00:14:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 113 states and 152 transitions. [2024-11-09 00:14:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 152 transitions. [2024-11-09 00:14:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 00:14:48,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:48,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-09 00:14:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 114 states and 153 transitions. [2024-11-09 00:14:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 153 transitions. [2024-11-09 00:14:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 00:14:49,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:49,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-09 00:14:50,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 152 transitions. [2024-11-09 00:14:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2024-11-09 00:14:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 00:14:50,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:50,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-09 00:14:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 116 states and 154 transitions. [2024-11-09 00:14:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 154 transitions. [2024-11-09 00:14:52,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 00:14:52,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:52,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 00:14:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 117 states and 155 transitions. [2024-11-09 00:14:53,411 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 155 transitions. [2024-11-09 00:14:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 00:14:53,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:53,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 00:14:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 117 states and 154 transitions. [2024-11-09 00:14:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 154 transitions. [2024-11-09 00:14:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 00:14:54,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 00:14:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 119 states and 156 transitions. [2024-11-09 00:14:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 156 transitions. [2024-11-09 00:14:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 00:14:56,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 00:14:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 121 states and 158 transitions. [2024-11-09 00:14:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 158 transitions. [2024-11-09 00:14:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 00:14:58,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:58,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 00:15:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 123 states and 160 transitions. [2024-11-09 00:15:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions. [2024-11-09 00:15:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 00:15:00,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:00,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-09 00:15:08,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:15:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 124 states and 161 transitions. [2024-11-09 00:15:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions. [2024-11-09 00:15:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 00:15:08,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-09 00:15:09,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 124 states and 160 transitions. [2024-11-09 00:15:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2024-11-09 00:15:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 00:15:09,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:09,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-09 00:15:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 162 transitions. [2024-11-09 00:15:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2024-11-09 00:15:11,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 00:15:11,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-09 00:15:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:14,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 128 states and 164 transitions. [2024-11-09 00:15:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 164 transitions. [2024-11-09 00:15:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 00:15:14,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:14,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-09 00:15:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 130 states and 166 transitions. [2024-11-09 00:15:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 166 transitions. [2024-11-09 00:15:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 00:15:16,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:16,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-09 00:15:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 131 states and 167 transitions. [2024-11-09 00:15:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2024-11-09 00:15:17,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 00:15:17,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:17,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-09 00:15:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 131 states and 166 transitions. [2024-11-09 00:15:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 166 transitions. [2024-11-09 00:15:18,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 00:15:18,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:18,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-09 00:15:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 133 states and 168 transitions. [2024-11-09 00:15:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2024-11-09 00:15:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 00:15:20,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-09 00:15:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 135 states and 170 transitions. [2024-11-09 00:15:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2024-11-09 00:15:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 00:15:23,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:23,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-09 00:15:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 137 states and 172 transitions. [2024-11-09 00:15:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2024-11-09 00:15:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 00:15:25,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:25,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-09 00:15:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 138 states and 173 transitions. [2024-11-09 00:15:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 173 transitions. [2024-11-09 00:15:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 00:15:27,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-09 00:15:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:28,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 138 states and 172 transitions. [2024-11-09 00:15:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 172 transitions. [2024-11-09 00:15:28,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 00:15:28,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:28,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-09 00:15:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 140 states and 174 transitions. [2024-11-09 00:15:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 174 transitions. [2024-11-09 00:15:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 00:15:30,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-09 00:15:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 142 states and 176 transitions. [2024-11-09 00:15:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions. [2024-11-09 00:15:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 00:15:33,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-09 00:15:36,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 144 states and 178 transitions. [2024-11-09 00:15:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 178 transitions. [2024-11-09 00:15:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 00:15:36,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:36,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-09 00:15:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2024-11-09 00:15:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2024-11-09 00:15:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 00:15:37,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:38,248 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-09 00:15:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 145 states and 178 transitions. [2024-11-09 00:15:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2024-11-09 00:15:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 00:15:38,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:38,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-09 00:15:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 147 states and 180 transitions. [2024-11-09 00:15:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 180 transitions. [2024-11-09 00:15:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 00:15:40,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-09 00:15:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 149 states and 182 transitions. [2024-11-09 00:15:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 182 transitions. [2024-11-09 00:15:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 00:15:43,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:43,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-09 00:15:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 151 states and 184 transitions. [2024-11-09 00:15:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2024-11-09 00:15:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 00:15:45,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-09 00:15:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 152 states and 185 transitions. [2024-11-09 00:15:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 185 transitions. [2024-11-09 00:15:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 00:15:46,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:46,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-09 00:15:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 152 states and 184 transitions. [2024-11-09 00:15:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2024-11-09 00:15:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 00:15:48,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-09 00:15:50,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 154 states and 186 transitions. [2024-11-09 00:15:50,572 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 186 transitions. [2024-11-09 00:15:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 00:15:50,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:50,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-09 00:15:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 156 states and 188 transitions. [2024-11-09 00:15:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2024-11-09 00:15:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 00:15:53,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:53,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-09 00:15:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 158 states and 190 transitions. [2024-11-09 00:15:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2024-11-09 00:15:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 00:15:56,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:56,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-09 00:15:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:57,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 159 states and 191 transitions. [2024-11-09 00:15:57,816 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 191 transitions. [2024-11-09 00:15:57,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-09 00:15:57,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:57,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-09 00:15:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 159 states and 190 transitions. [2024-11-09 00:15:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2024-11-09 00:15:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 00:15:59,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:59,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-09 00:16:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 161 states and 192 transitions. [2024-11-09 00:16:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 192 transitions. [2024-11-09 00:16:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 00:16:01,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-09 00:16:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 163 states and 194 transitions. [2024-11-09 00:16:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2024-11-09 00:16:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-09 00:16:03,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:03,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-09 00:16:06,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:06,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 165 states and 196 transitions. [2024-11-09 00:16:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 196 transitions. [2024-11-09 00:16:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 00:16:06,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-09 00:16:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 166 states and 197 transitions. [2024-11-09 00:16:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 197 transitions. [2024-11-09 00:16:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 00:16:08,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:08,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-09 00:16:09,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 166 states and 196 transitions. [2024-11-09 00:16:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2024-11-09 00:16:09,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 00:16:09,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:09,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-09 00:16:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 168 states and 198 transitions. [2024-11-09 00:16:12,041 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 198 transitions. [2024-11-09 00:16:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 00:16:12,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:12,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-09 00:16:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 169 states and 199 transitions. [2024-11-09 00:16:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 199 transitions. [2024-11-09 00:16:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 00:16:13,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:13,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-09 00:16:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 169 states and 198 transitions. [2024-11-09 00:16:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 198 transitions. [2024-11-09 00:16:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-09 00:16:15,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:15,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-09 00:16:17,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 171 states and 200 transitions. [2024-11-09 00:16:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 200 transitions. [2024-11-09 00:16:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-09 00:16:17,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:17,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-09 00:16:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 173 states and 202 transitions. [2024-11-09 00:16:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 202 transitions. [2024-11-09 00:16:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-09 00:16:20,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:20,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-09 00:16:22,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 175 states and 204 transitions. [2024-11-09 00:16:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 204 transitions. [2024-11-09 00:16:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-09 00:16:22,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:22,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-09 00:16:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 176 states and 205 transitions. [2024-11-09 00:16:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 205 transitions. [2024-11-09 00:16:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-09 00:16:24,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-09 00:16:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 176 states and 204 transitions. [2024-11-09 00:16:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 204 transitions. [2024-11-09 00:16:26,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-09 00:16:26,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-09 00:16:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 178 states and 206 transitions. [2024-11-09 00:16:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 206 transitions. [2024-11-09 00:16:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-09 00:16:28,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-09 00:16:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 180 states and 208 transitions. [2024-11-09 00:16:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 208 transitions. [2024-11-09 00:16:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-09 00:16:31,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-09 00:16:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 182 states and 210 transitions. [2024-11-09 00:16:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 210 transitions. [2024-11-09 00:16:34,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-09 00:16:34,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:17:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:17:34,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:18:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:18:55,718 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:485) 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) [2024-11-09 00:18:55,722 INFO L158 Benchmark]: Toolchain (without parser) took 302628.17ms. Allocated memory was 148.9MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 103.8MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-09 00:18:55,723 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:18:55,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1142.37ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 103.8MB in the beginning and 127.9MB in the end (delta: -24.1MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:55,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 778.46ms. Allocated memory is still 182.5MB. Free memory was 127.9MB in the beginning and 85.0MB in the end (delta: 42.9MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2024-11-09 00:18:55,726 INFO L158 Benchmark]: Boogie Preprocessor took 613.77ms. Allocated memory was 182.5MB in the beginning and 339.7MB in the end (delta: 157.3MB). Free memory was 85.0MB in the beginning and 222.5MB in the end (delta: -137.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-11-09 00:18:55,726 INFO L158 Benchmark]: RCFGBuilder took 9868.99ms. Allocated memory was 339.7MB in the beginning and 631.2MB in the end (delta: 291.5MB). Free memory was 222.5MB in the beginning and 278.8MB in the end (delta: -56.3MB). Peak memory consumption was 398.8MB. Max. memory is 16.1GB. [2024-11-09 00:18:55,727 INFO L158 Benchmark]: CodeCheck took 290218.07ms. Allocated memory was 631.2MB in the beginning and 3.8GB in the end (delta: 3.2GB). Free memory was 278.8MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 749.9MB. Max. memory is 16.1GB. [2024-11-09 00:18:55,731 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1142.37ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 103.8MB in the beginning and 127.9MB in the end (delta: -24.1MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 778.46ms. Allocated memory is still 182.5MB. Free memory was 127.9MB in the beginning and 85.0MB in the end (delta: 42.9MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 613.77ms. Allocated memory was 182.5MB in the beginning and 339.7MB in the end (delta: 157.3MB). Free memory was 85.0MB in the beginning and 222.5MB in the end (delta: -137.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * RCFGBuilder took 9868.99ms. Allocated memory was 339.7MB in the beginning and 631.2MB in the end (delta: 291.5MB). Free memory was 222.5MB in the beginning and 278.8MB in the end (delta: -56.3MB). Peak memory consumption was 398.8MB. Max. memory is 16.1GB. * CodeCheck took 290218.07ms. Allocated memory was 631.2MB in the beginning and 3.8GB in the end (delta: 3.2GB). Free memory was 278.8MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 749.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:18:55,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:18:58,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:18:58,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:18:58,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:18:58,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:18:58,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:18:58,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:18:58,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:18:58,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:18:58,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:18:58,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:18:58,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:18:58,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:18:58,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:18:58,979 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:18:58,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:18:58,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:18:58,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:18:58,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:18:58,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:18:58,985 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:18:58,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:18:58,986 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:18:58,986 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:58,989 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:18:58,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:18:58,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:18:58,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:18:58,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:18:58,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:18:58,992 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:18:58,992 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:58,992 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:18:58,995 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_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b742cc0d0eaef445a8f90399cbd092d4cb10efae03dcad0c8e37a0643e7fd6 [2024-11-09 00:18:59,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:18:59,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:18:59,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:18:59,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:18:59,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:18:59,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c Unable to find full path for "g++" [2024-11-09 00:19:01,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:02,215 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:02,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c [2024-11-09 00:19:02,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data/1e93b0035/8c7a115c36a74545a585f55e5275608e/FLAG79913cfcc [2024-11-09 00:19:02,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/data/1e93b0035/8c7a115c36a74545a585f55e5275608e [2024-11-09 00:19:02,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:02,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:02,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:02,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:02,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:02,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:02" (1/1) ... [2024-11-09 00:19:02,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8083d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:02, skipping insertion in model container [2024-11-09 00:19:02,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:02" (1/1) ... [2024-11-09 00:19:02,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:02,758 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-09 00:19:03,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:03,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:03,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_linked_list_fifo_n2d4.c[1266,1279] [2024-11-09 00:19:03,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:03,492 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:03,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03 WrapperNode [2024-11-09 00:19:03,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:03,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:03,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:03,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:03,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,650 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1577 [2024-11-09 00:19:03,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:03,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:03,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:03,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:03,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:03,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:03,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:03,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:03,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:03" (1/1) ... [2024-11-09 00:19:03,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:03,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:03,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:03,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 00:19:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:19:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:19:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:19:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:19:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 00:19:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:19:04,538 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:04,542 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:06,319 INFO L? ?]: Removed 1037 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:06,320 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:19:06,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:19:06,423 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:19:06,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:06 BoogieIcfgContainer [2024-11-09 00:19:06,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:19:06,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:19:06,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:19:06,439 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:19:06,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:06" (1/1) ... [2024-11-09 00:19:06,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:19:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 73 states and 114 transitions. [2024-11-09 00:19:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-11-09 00:19:06,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:19:06,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:06,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:06,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:06,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:06,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:19:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:07,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:08,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:08,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:19:08,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:19:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2024-11-09 00:19:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2024-11-09 00:19:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:19:08,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:08,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:08,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:08,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:08,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:19:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:09,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:09,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:09,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:19:09,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:19:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2024-11-09 00:19:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-09 00:19:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:19:09,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:09,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:09,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:09,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:09,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:19:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:10,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:11,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:11,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:19:11,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:19:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:11,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2024-11-09 00:19:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2024-11-09 00:19:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:19:11,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:11,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:11,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:11,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:11,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:19:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:12,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:12,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:12,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:19:12,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2024-11-09 00:19:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2024-11-09 00:19:12,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:19:12,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:12,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:12,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:12,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:12,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:19:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:13,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:13,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:14,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:19:14,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:19:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 75 states and 113 transitions. [2024-11-09 00:19:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-09 00:19:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:19:14,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:14,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:14,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:14,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:14,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:19:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:15,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:15,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:15,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:19:15,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:19:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2024-11-09 00:19:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2024-11-09 00:19:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:15,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:15,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:15,687 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:15,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:19:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:16,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:17,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:19:17,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:19:17,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2024-11-09 00:19:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2024-11-09 00:19:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:19:17,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:17,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:17,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:17,375 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:17,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:19:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:18,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:18,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:19:18,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 00:19:19,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:19,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 115 transitions. [2024-11-09 00:19:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2024-11-09 00:19:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:19:19,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:19,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:19,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:19,137 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:19,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:19:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:20,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:20,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:19:20,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:19:20,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2024-11-09 00:19:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2024-11-09 00:19:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:19:21,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:21,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:21,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:21,153 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:21,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:19:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:22,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:22,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:19:22,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:19:22,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2024-11-09 00:19:23,197 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2024-11-09 00:19:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:19:23,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:23,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:23,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:23,207 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:23,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:19:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:24,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:25,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:19:25,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:19:25,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:19:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 85 states and 120 transitions. [2024-11-09 00:19:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2024-11-09 00:19:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:19:25,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:25,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:25,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:25,294 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:25,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:19:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:26,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:27,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:19:27,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:19:27,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 87 states and 122 transitions. [2024-11-09 00:19:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2024-11-09 00:19:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:19:27,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:27,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:27,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:27,477 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:27,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:19:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:29,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:29,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:19:29,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:19:29,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:29,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:29,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 89 states and 123 transitions. [2024-11-09 00:19:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2024-11-09 00:19:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:19:29,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:29,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:29,529 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:29,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:19:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:31,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:31,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:19:31,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 00:19:32,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:19:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 101 states and 143 transitions. [2024-11-09 00:19:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-09 00:19:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:19:37,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:37,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:37,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:37,529 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:19:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:40,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:41,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:41,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 00:19:41,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:19:41,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 102 states and 144 transitions. [2024-11-09 00:19:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-09 00:19:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:19:41,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:41,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:41,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:41,623 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:41,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:19:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:44,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:44,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:44,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 00:19:45,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:19:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 102 states and 143 transitions. [2024-11-09 00:19:45,362 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 143 transitions. [2024-11-09 00:19:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 00:19:45,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:45,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:45,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:45,369 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:45,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:19:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:48,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:49,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 1469 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:49,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-09 00:19:49,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2024-11-09 00:19:49,652 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2024-11-09 00:19:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 00:19:49,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:49,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:49,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:49,658 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:49,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:19:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:52,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:52,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:52,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-09 00:19:53,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:19:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 103 states and 143 transitions. [2024-11-09 00:19:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2024-11-09 00:19:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 00:19:53,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:53,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:53,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:53,656 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:53,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:19:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:57,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:57,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:19:57,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-09 00:19:58,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 104 states and 144 transitions. [2024-11-09 00:19:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2024-11-09 00:19:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 00:19:58,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:58,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:58,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:58,354 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:58,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:20:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:01,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:02,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 1477 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:02,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-09 00:20:02,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:02,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2024-11-09 00:20:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2024-11-09 00:20:02,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 00:20:02,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:02,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:02,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:02,961 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:02,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:20:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:06,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:07,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:07,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-09 00:20:07,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2024-11-09 00:20:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2024-11-09 00:20:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 00:20:08,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:08,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:08,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:08,237 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:08,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:20:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:11,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:12,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:12,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-09 00:20:12,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:20:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 105 states and 143 transitions. [2024-11-09 00:20:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 143 transitions. [2024-11-09 00:20:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:20:13,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:13,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:13,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:13,155 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:13,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:20:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:17,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:18,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:18,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-09 00:20:18,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 00:20:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 106 states and 144 transitions. [2024-11-09 00:20:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2024-11-09 00:20:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 00:20:18,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:18,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:18,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:18,793 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:18,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:20:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:22,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:23,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:23,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-09 00:20:23,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 00:20:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 106 states and 143 transitions. [2024-11-09 00:20:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 143 transitions. [2024-11-09 00:20:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 00:20:24,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:24,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:24,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:24,046 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:24,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:20:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:28,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:29,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:29,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 00:20:29,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 107 states and 144 transitions. [2024-11-09 00:20:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2024-11-09 00:20:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 00:20:29,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:29,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:29,953 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:29,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:20:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:34,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:34,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:34,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 00:20:35,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:20:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 107 states and 143 transitions. [2024-11-09 00:20:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2024-11-09 00:20:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 00:20:35,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:35,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:35,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:35,889 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:35,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:20:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:40,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:41,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:41,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 00:20:41,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 00:20:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 108 states and 144 transitions. [2024-11-09 00:20:42,401 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2024-11-09 00:20:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 00:20:42,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:42,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:42,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:42,403 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:42,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:20:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:47,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:47,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:47,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 00:20:48,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2024-11-09 00:20:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2024-11-09 00:20:48,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 00:20:48,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:48,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:48,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:48,663 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:48,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:20:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:54,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:54,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:20:54,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-09 00:20:55,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2024-11-09 00:20:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2024-11-09 00:20:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 00:20:55,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:55,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:55,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:55,512 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:55,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:21:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:00,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:01,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 1512 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:01,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:01,710 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-09 00:21:01,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 109 states and 143 transitions. [2024-11-09 00:21:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2024-11-09 00:21:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 00:21:02,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:02,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:02,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:02,162 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:02,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:21:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:08,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:08,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:08,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:21:09,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 110 states and 144 transitions. [2024-11-09 00:21:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 144 transitions. [2024-11-09 00:21:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 00:21:09,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:09,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:09,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:09,532 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:09,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:21:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:15,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:15,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:15,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:21:16,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 110 states and 143 transitions. [2024-11-09 00:21:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2024-11-09 00:21:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 00:21:16,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:16,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:16,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:16,695 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:16,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:21:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:23,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:23,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:23,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-09 00:21:24,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 111 states and 144 transitions. [2024-11-09 00:21:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 144 transitions. [2024-11-09 00:21:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 00:21:24,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:24,598 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:24,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:21:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:30,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:31,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:31,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-09 00:21:31,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 111 states and 143 transitions. [2024-11-09 00:21:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 143 transitions. [2024-11-09 00:21:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 00:21:32,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:32,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:32,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:32,178 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:32,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:21:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:38,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:39,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:39,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-09 00:21:39,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-09 00:21:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 144 transitions. [2024-11-09 00:21:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 144 transitions. [2024-11-09 00:21:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 00:21:40,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:40,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:40,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:40,164 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:40,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:21:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:46,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:47,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:47,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-09 00:21:47,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 112 states and 143 transitions. [2024-11-09 00:21:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2024-11-09 00:21:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 00:21:47,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:47,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:47,915 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:47,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:21:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:54,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:55,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:21:55,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-09 00:21:55,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2024-11-09 00:21:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2024-11-09 00:21:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 00:21:56,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:56,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:56,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:56,264 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:56,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:22:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:03,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:03,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:22:03,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-09 00:22:04,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 113 states and 143 transitions. [2024-11-09 00:22:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 143 transitions. [2024-11-09 00:22:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 00:22:04,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:04,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:04,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:04,563 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:04,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:22:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:11,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:12,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 1546 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:22:12,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 00:22:13,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 114 states and 144 transitions. [2024-11-09 00:22:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2024-11-09 00:22:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 00:22:13,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:13,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:13,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:13,581 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:13,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:22:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:20,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:21,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 1547 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:22:21,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 00:22:21,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-09 00:22:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 114 states and 143 transitions. [2024-11-09 00:22:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 143 transitions. [2024-11-09 00:22:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 00:22:22,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:22,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:22,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:22,288 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:22,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:22:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:30,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:30,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:22:30,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-09 00:22:31,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-09 00:22:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 115 states and 144 transitions. [2024-11-09 00:22:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 144 transitions. [2024-11-09 00:22:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 00:22:31,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:31,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:31,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:31,638 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:31,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:22:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 1554 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:22:39,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:40,382 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-09 00:22:40,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 115 states and 143 transitions. [2024-11-09 00:22:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 143 transitions. [2024-11-09 00:22:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 00:22:40,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:40,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:40,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:40,897 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:40,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:22:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:49,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:49,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:22:49,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 00:22:50,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-09 00:22:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 116 states and 144 transitions. [2024-11-09 00:22:50,658 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2024-11-09 00:22:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 00:22:50,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:50,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:50,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:50,664 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:50,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:22:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:58,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:59,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 1561 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:22:59,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 00:22:59,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-09 00:23:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 116 states and 143 transitions. [2024-11-09 00:23:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2024-11-09 00:23:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 00:23:00,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:00,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:00,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:00,395 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:00,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:23:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:09,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:09,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 1567 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:23:09,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 00:23:10,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-09 00:23:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 118 states and 144 transitions. [2024-11-09 00:23:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2024-11-09 00:23:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 00:23:11,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:11,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:11,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:11,187 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:11,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:23:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:20,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:20,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:23:20,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-09 00:23:21,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2024-11-09 00:23:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2024-11-09 00:23:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 00:23:22,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:22,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:22,446 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:22,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:23:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:31,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:32,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:23:32,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 00:23:33,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-09 00:23:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 122 states and 146 transitions. [2024-11-09 00:23:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2024-11-09 00:23:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 00:23:34,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:34,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:34,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:34,180 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:34,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:23:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:43,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:23:44,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-09 00:23:45,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 124 states and 147 transitions. [2024-11-09 00:23:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions. [2024-11-09 00:23:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 00:23:46,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:46,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:46,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:46,113 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:46,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:23:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:55,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:56,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:23:56,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-09 00:23:57,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 126 states and 149 transitions. [2024-11-09 00:23:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2024-11-09 00:23:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 00:23:59,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:59,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:59,409 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:59,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:24:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:10,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:24:10,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 00:24:10,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 128 states and 151 transitions. [2024-11-09 00:24:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2024-11-09 00:24:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 00:24:13,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:13,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:13,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:13,152 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:13,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:24:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:23,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:23,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:24:23,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 00:24:24,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-09 00:24:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 130 states and 153 transitions. [2024-11-09 00:24:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2024-11-09 00:24:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 00:24:27,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:27,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:27,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:27,005 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:27,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:24:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:37,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:38,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 1616 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:24:38,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-09 00:24:38,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 132 states and 155 transitions. [2024-11-09 00:24:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2024-11-09 00:24:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 00:24:41,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:41,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:41,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:41,182 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:41,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:24:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:51,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:52,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:24:52,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 00:24:53,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:55,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 134 states and 157 transitions. [2024-11-09 00:24:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2024-11-09 00:24:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 00:24:55,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:55,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:55,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:55,777 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:55,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:25:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:07,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:07,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:07,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-09 00:25:08,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 136 states and 159 transitions. [2024-11-09 00:25:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2024-11-09 00:25:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 00:25:11,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:11,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:11,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:11,172 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:11,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:25:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:22,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:22,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:22,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:25:23,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 138 states and 161 transitions. [2024-11-09 00:25:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2024-11-09 00:25:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 00:25:26,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:26,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:26,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:26,145 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:26,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:25:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:37,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:38,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:38,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-09 00:25:38,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 140 states and 162 transitions. [2024-11-09 00:25:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2024-11-09 00:25:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 00:25:39,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:39,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:39,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:39,959 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:39,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:25:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:51,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:52,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 1651 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:52,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-09 00:25:52,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 142 states and 163 transitions. [2024-11-09 00:25:54,124 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 163 transitions. [2024-11-09 00:25:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 00:25:54,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:54,125 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:54,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 00:26:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:05,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:06,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:26:06,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-09 00:26:07,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 144 states and 165 transitions. [2024-11-09 00:26:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2024-11-09 00:26:09,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 00:26:09,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:09,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:09,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:09,951 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:09,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 00:26:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:22,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:26:22,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-09 00:26:23,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-09 00:26:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 146 states and 167 transitions. [2024-11-09 00:26:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 167 transitions. [2024-11-09 00:26:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 00:26:26,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:26,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:26,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:26,044 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:26,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 00:26:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:38,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:38,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:26:38,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-09 00:26:39,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 148 states and 169 transitions. [2024-11-09 00:26:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2024-11-09 00:26:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 00:26:42,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:42,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:42,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:42,427 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:42,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aabebe9-f56f-4519-aae5-29988217d4dc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process