./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8c3d0d99b1a4ed01b0f7abd82dc706f1d3a99a21ba3b1eb67aeb8a353cd5545e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:40:38,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:40:38,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-05 22:40:38,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:40:38,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:40:38,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:40:38,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:40:38,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:40:38,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:40:38,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:40:38,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:40:38,142 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:40:38,142 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:40:38,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:40:38,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:40:38,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:40:38,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:40:38,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:40:38,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:40:38,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 8c3d0d99b1a4ed01b0f7abd82dc706f1d3a99a21ba3b1eb67aeb8a353cd5545e [2024-12-05 22:40:38,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:40:38,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:40:38,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:40:38,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:40:38,406 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:40:38,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2024-12-05 22:40:41,007 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/84acad901/85f356da7c4442afa76b9a1240bc2e49/FLAG8b8e545a9 [2024-12-05 22:40:41,343 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:40:41,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2024-12-05 22:40:41,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/84acad901/85f356da7c4442afa76b9a1240bc2e49/FLAG8b8e545a9 [2024-12-05 22:40:41,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/84acad901/85f356da7c4442afa76b9a1240bc2e49 [2024-12-05 22:40:41,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:40:41,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:40:41,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:40:41,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:40:41,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:40:41,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:40:41" (1/1) ... [2024-12-05 22:40:41,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10603516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:41, skipping insertion in model container [2024-12-05 22:40:41,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:40:41" (1/1) ... [2024-12-05 22:40:41,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:40:42,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:40:42,306 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:40:42,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:40:42,548 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-12-05 22:40:42,555 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:40:42,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42 WrapperNode [2024-12-05 22:40:42,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:40:42,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:40:42,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:40:42,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:40:42,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,628 INFO L138 Inliner]: procedures = 596, calls = 482, calls flagged for inlining = 25, calls inlined = 19, statements flattened = 821 [2024-12-05 22:40:42,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:40:42,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:40:42,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:40:42,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:40:42,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,675 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:40:42,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:40:42,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:40:42,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:40:42,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:42" (1/1) ... [2024-12-05 22:40:42,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:40:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:40:42,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:40:42,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:40:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:40:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:40:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-12-05 22:40:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-05 22:40:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:40:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:40:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:40:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:40:43,054 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:40:43,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:40:44,004 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-12-05 22:40:44,004 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:40:44,214 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:40:44,215 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-12-05 22:40:44,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:44 BoogieIcfgContainer [2024-12-05 22:40:44,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:40:44,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:40:44,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:40:44,227 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:40:44,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:44" (1/1) ... [2024-12-05 22:40:44,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:40:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 256 states and 289 transitions. [2024-12-05 22:40:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 289 transitions. [2024-12-05 22:40:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:40:44,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:44,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 255 states and 288 transitions. [2024-12-05 22:40:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 288 transitions. [2024-12-05 22:40:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:40:44,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:44,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 254 states and 287 transitions. [2024-12-05 22:40:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 287 transitions. [2024-12-05 22:40:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:40:45,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:45,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 253 states and 286 transitions. [2024-12-05 22:40:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 286 transitions. [2024-12-05 22:40:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:40:45,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:45,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 255 states and 288 transitions. [2024-12-05 22:40:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 288 transitions. [2024-12-05 22:40:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:40:45,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:45,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:46,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 254 states and 287 transitions. [2024-12-05 22:40:46,792 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 287 transitions. [2024-12-05 22:40:46,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:40:46,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:46,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 255 states and 288 transitions. [2024-12-05 22:40:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 288 transitions. [2024-12-05 22:40:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:40:47,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:47,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 257 states and 290 transitions. [2024-12-05 22:40:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 290 transitions. [2024-12-05 22:40:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:40:47,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:47,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 259 states and 292 transitions. [2024-12-05 22:40:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 292 transitions. [2024-12-05 22:40:48,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:40:48,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:48,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 261 states and 294 transitions. [2024-12-05 22:40:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 294 transitions. [2024-12-05 22:40:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:48,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:48,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 22:40:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 260 states and 293 transitions. [2024-12-05 22:40:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 293 transitions. [2024-12-05 22:40:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:51,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:51,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 262 states and 295 transitions. [2024-12-05 22:40:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 295 transitions. [2024-12-05 22:40:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:40:52,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 264 states and 297 transitions. [2024-12-05 22:40:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 297 transitions. [2024-12-05 22:40:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:40:52,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 266 states and 299 transitions. [2024-12-05 22:40:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 299 transitions. [2024-12-05 22:40:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:40:53,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:53,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 268 states and 301 transitions. [2024-12-05 22:40:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 301 transitions. [2024-12-05 22:40:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:40:54,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:54,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 270 states and 302 transitions. [2024-12-05 22:40:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 302 transitions. [2024-12-05 22:40:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:40:55,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:55,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:40:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 269 states and 301 transitions. [2024-12-05 22:40:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 301 transitions. [2024-12-05 22:40:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:40:59,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:59,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 268 states and 300 transitions. [2024-12-05 22:41:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 300 transitions. [2024-12-05 22:41:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:41:00,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:00,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 267 states and 299 transitions. [2024-12-05 22:41:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 299 transitions. [2024-12-05 22:41:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:41:01,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:01,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 269 states and 304 transitions. [2024-12-05 22:41:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2024-12-05 22:41:01,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:41:01,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 271 states and 308 transitions. [2024-12-05 22:41:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 308 transitions. [2024-12-05 22:41:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:41:03,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:03,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 272 states and 309 transitions. [2024-12-05 22:41:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 309 transitions. [2024-12-05 22:41:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:41:04,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:04,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 271 states and 308 transitions. [2024-12-05 22:41:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 308 transitions. [2024-12-05 22:41:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:41:04,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:04,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 272 states and 310 transitions. [2024-12-05 22:41:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 310 transitions. [2024-12-05 22:41:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:41:05,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:05,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 276 states and 318 transitions. [2024-12-05 22:41:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 318 transitions. [2024-12-05 22:41:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:41:08,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 280 states and 326 transitions. [2024-12-05 22:41:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 326 transitions. [2024-12-05 22:41:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:41:12,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:12,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 281 states and 328 transitions. [2024-12-05 22:41:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 328 transitions. [2024-12-05 22:41:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:41:13,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 283 states and 331 transitions. [2024-12-05 22:41:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 331 transitions. [2024-12-05 22:41:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:41:14,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:14,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 289 states and 343 transitions. [2024-12-05 22:41:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 343 transitions. [2024-12-05 22:41:18,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:41:18,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:18,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 293 states and 351 transitions. [2024-12-05 22:41:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 351 transitions. [2024-12-05 22:41:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:41:23,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:23,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 295 states and 355 transitions. [2024-12-05 22:41:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 355 transitions. [2024-12-05 22:41:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:41:24,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:24,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:24,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:24,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 298 states and 361 transitions. [2024-12-05 22:41:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 361 transitions. [2024-12-05 22:41:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:41:24,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:24,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 299 states and 363 transitions. [2024-12-05 22:41:25,940 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 363 transitions. [2024-12-05 22:41:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:41:25,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:25,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 306 states and 377 transitions. [2024-12-05 22:41:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 377 transitions. [2024-12-05 22:41:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:41:31,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:31,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 309 states and 386 transitions. [2024-12-05 22:41:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 386 transitions. [2024-12-05 22:41:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:41:37,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:37,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 22:41:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 309 states and 385 transitions. [2024-12-05 22:41:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 385 transitions. [2024-12-05 22:41:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:41:37,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 22:41:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 310 states and 385 transitions. [2024-12-05 22:41:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 385 transitions. [2024-12-05 22:41:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:41:38,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 311 states and 388 transitions. [2024-12-05 22:41:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 388 transitions. [2024-12-05 22:41:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:41:40,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:40,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 315 states and 396 transitions. [2024-12-05 22:41:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 396 transitions. [2024-12-05 22:41:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:41:45,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:45,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 318 states and 404 transitions. [2024-12-05 22:41:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 404 transitions. [2024-12-05 22:41:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 22:41:53,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:53,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-12-05 22:41:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 318 states and 403 transitions. [2024-12-05 22:41:54,039 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 403 transitions. [2024-12-05 22:41:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 22:41:54,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-12-05 22:41:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 319 states and 403 transitions. [2024-12-05 22:41:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 403 transitions. [2024-12-05 22:41:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:41:54,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:41:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 320 states and 406 transitions. [2024-12-05 22:41:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 406 transitions. [2024-12-05 22:41:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:41:56,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:56,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:41:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 22:42:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 324 states and 413 transitions. [2024-12-05 22:42:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 413 transitions. [2024-12-05 22:42:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:42:00,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:00,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:42:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 327 states and 435 transitions. [2024-12-05 22:42:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 435 transitions. [2024-12-05 22:42:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 22:42:09,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:09,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-05 22:42:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 328 states and 436 transitions. [2024-12-05 22:42:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 436 transitions. [2024-12-05 22:42:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 22:42:10,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:10,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-05 22:42:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 328 states and 435 transitions. [2024-12-05 22:42:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2024-12-05 22:42:11,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:42:11,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:42:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 333 states and 447 transitions. [2024-12-05 22:42:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 447 transitions. [2024-12-05 22:42:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:42:23,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:23,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:42:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 334 states and 452 transitions. [2024-12-05 22:42:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 452 transitions. [2024-12-05 22:42:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:42:25,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:25,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 22:42:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 335 states and 454 transitions. [2024-12-05 22:42:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 454 transitions. [2024-12-05 22:42:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:42:33,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:33,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:42:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 336 states and 456 transitions. [2024-12-05 22:42:37,577 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 456 transitions. [2024-12-05 22:42:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:42:37,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-05 22:42:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 337 states and 457 transitions. [2024-12-05 22:42:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 457 transitions. [2024-12-05 22:42:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:42:38,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:38,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-05 22:42:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 337 states and 456 transitions. [2024-12-05 22:42:39,914 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 456 transitions. [2024-12-05 22:42:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:42:39,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:39,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:42:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 338 states and 461 transitions. [2024-12-05 22:42:41,575 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 461 transitions. [2024-12-05 22:42:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:42:41,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:41,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-05 22:42:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 342 states and 469 transitions. [2024-12-05 22:42:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 469 transitions. [2024-12-05 22:42:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:42:46,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:46,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:42:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 345 states and 479 transitions. [2024-12-05 22:42:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 479 transitions. [2024-12-05 22:42:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:42:55,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:55,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-05 22:42:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 346 states and 480 transitions. [2024-12-05 22:42:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 480 transitions. [2024-12-05 22:42:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:42:56,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:56,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-05 22:42:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 346 states and 479 transitions. [2024-12-05 22:42:58,057 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 479 transitions. [2024-12-05 22:42:58,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:42:58,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:58,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:43:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 349 states and 487 transitions. [2024-12-05 22:43:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 487 transitions. [2024-12-05 22:43:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:43:01,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-05 22:43:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 353 states and 496 transitions. [2024-12-05 22:43:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 496 transitions. [2024-12-05 22:43:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:43:07,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:43:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 356 states and 506 transitions. [2024-12-05 22:43:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 506 transitions. [2024-12-05 22:43:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:43:19,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:19,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-05 22:43:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 357 states and 507 transitions. [2024-12-05 22:43:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 507 transitions. [2024-12-05 22:43:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:43:20,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:20,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-05 22:43:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 357 states and 506 transitions. [2024-12-05 22:43:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 506 transitions. [2024-12-05 22:43:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:43:21,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:21,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:43:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 360 states and 516 transitions. [2024-12-05 22:43:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 516 transitions. [2024-12-05 22:43:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:43:25,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:25,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-05 22:43:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 364 states and 530 transitions. [2024-12-05 22:43:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 530 transitions. [2024-12-05 22:43:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:43:32,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:32,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:43:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 369 states and 545 transitions. [2024-12-05 22:43:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 545 transitions. [2024-12-05 22:43:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:43:46,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:43:49,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 371 states and 546 transitions. [2024-12-05 22:43:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 546 transitions. [2024-12-05 22:43:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:43:49,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:49,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 22 proven. 24 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-05 22:43:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 371 states and 545 transitions. [2024-12-05 22:43:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 545 transitions. [2024-12-05 22:43:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:43:52,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:52,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:43:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:55,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 371 states and 544 transitions. [2024-12-05 22:43:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 544 transitions. [2024-12-05 22:43:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 22:43:55,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-12-05 22:43:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 372 states and 545 transitions. [2024-12-05 22:43:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 545 transitions. [2024-12-05 22:43:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 22:43:56,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:56,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-12-05 22:43:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 372 states and 544 transitions. [2024-12-05 22:43:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 544 transitions. [2024-12-05 22:43:58,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:43:58,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:58,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 2 proven. 70 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:44:03,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 375 states and 558 transitions. [2024-12-05 22:44:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 558 transitions. [2024-12-05 22:44:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:44:03,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:44:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 385 states and 588 transitions. [2024-12-05 22:44:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 588 transitions. [2024-12-05 22:44:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:44:26,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 35 proven. 29 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 22:44:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 386 states and 593 transitions. [2024-12-05 22:44:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 593 transitions. [2024-12-05 22:44:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-05 22:44:30,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-05 22:44:31,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 387 states and 594 transitions. [2024-12-05 22:44:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 594 transitions. [2024-12-05 22:44:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-05 22:44:31,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-05 22:44:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 387 states and 593 transitions. [2024-12-05 22:44:33,018 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 593 transitions. [2024-12-05 22:44:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 22:44:33,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:33,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:44:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 388 states and 606 transitions. [2024-12-05 22:44:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 606 transitions. [2024-12-05 22:44:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 22:44:35,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-12-05 22:44:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 392 states and 620 transitions. [2024-12-05 22:44:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 620 transitions. [2024-12-05 22:44:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 22:44:42,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:44:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 395 states and 633 transitions. [2024-12-05 22:44:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 633 transitions. [2024-12-05 22:44:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 22:44:56,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-12-05 22:44:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 396 states and 634 transitions. [2024-12-05 22:44:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 634 transitions. [2024-12-05 22:44:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 22:44:57,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:57,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-12-05 22:44:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:59,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 396 states and 633 transitions. [2024-12-05 22:44:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 633 transitions. [2024-12-05 22:44:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:44:59,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:59,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 2 proven. 117 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:45:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 397 states and 639 transitions. [2024-12-05 22:45:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 639 transitions. [2024-12-05 22:45:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:45:01,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:01,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-12-05 22:45:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 401 states and 654 transitions. [2024-12-05 22:45:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 654 transitions. [2024-12-05 22:45:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:45:09,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:09,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:45:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 404 states and 667 transitions. [2024-12-05 22:45:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 667 transitions. [2024-12-05 22:45:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 22:45:24,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:24,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-12-05 22:45:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 405 states and 668 transitions. [2024-12-05 22:45:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 668 transitions. [2024-12-05 22:45:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 22:45:25,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-12-05 22:45:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 405 states and 667 transitions. [2024-12-05 22:45:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 667 transitions. [2024-12-05 22:45:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 22:45:27,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:27,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-05 22:46:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 444 states and 763 transitions. [2024-12-05 22:46:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 763 transitions. [2024-12-05 22:46:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 22:46:20,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:20,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-05 22:46:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 445 states and 764 transitions. [2024-12-05 22:46:22,267 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 764 transitions. [2024-12-05 22:46:22,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 22:46:22,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:22,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-05 22:46:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 447 states and 768 transitions. [2024-12-05 22:46:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 768 transitions. [2024-12-05 22:46:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:46:28,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:28,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-12-05 22:46:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 446 states and 767 transitions. [2024-12-05 22:46:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 767 transitions. [2024-12-05 22:46:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:46:30,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:30,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-05 22:46:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 445 states and 766 transitions. [2024-12-05 22:46:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 766 transitions. [2024-12-05 22:46:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:46:30,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:30,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-05 22:47:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 483 states and 845 transitions. [2024-12-05 22:47:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 845 transitions. [2024-12-05 22:47:26,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 22:47:26,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-05 22:48:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 517 states and 921 transitions. [2024-12-05 22:48:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 921 transitions. [2024-12-05 22:48:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 22:48:17,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:17,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:48:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-05 22:49:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 557 states and 1009 transitions. [2024-12-05 22:49:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1009 transitions. [2024-12-05 22:49:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 22:49:45,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:45,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:45,273 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-12-05 22:49:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 557 states and 1008 transitions. [2024-12-05 22:49:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1008 transitions. [2024-12-05 22:49:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 22:49:47,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:47,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-12-05 22:49:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 558 states and 1010 transitions. [2024-12-05 22:49:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1010 transitions. [2024-12-05 22:49:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-05 22:49:49,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:49,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:49:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-05 22:51:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 596 states and 1094 transitions. [2024-12-05 22:51:05,082 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1094 transitions. [2024-12-05 22:51:05,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-05 22:51:05,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:05,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:51:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-05 22:51:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 599 states and 1101 transitions. [2024-12-05 22:51:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1101 transitions. [2024-12-05 22:51:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-05 22:51:15,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:51:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:51:15,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:51:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:51:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:51:26,426 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) [2024-12-05 22:51:26,431 INFO L158 Benchmark]: Toolchain (without parser) took 645050.30ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 112.2MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 694.4MB. Max. memory is 16.1GB. [2024-12-05 22:51:26,431 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:51:26,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1175.12ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 86.5MB in the end (delta: 25.7MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2024-12-05 22:51:26,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.92ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 78.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:51:26,432 INFO L158 Benchmark]: Boogie Preprocessor took 72.38ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 72.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:51:26,433 INFO L158 Benchmark]: RCFGBuilder took 1513.22ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 72.1MB in the beginning and 250.0MB in the end (delta: -178.0MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-12-05 22:51:26,433 INFO L158 Benchmark]: CodeCheck took 642213.98ms. Allocated memory was 343.9MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 250.0MB in the beginning and 1.1GB in the end (delta: -890.7MB). Peak memory consumption was 628.5MB. Max. memory is 16.1GB. [2024-12-05 22:51:26,435 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 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1175.12ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 86.5MB in the end (delta: 25.7MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.92ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 78.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.38ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 72.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1513.22ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 72.1MB in the beginning and 250.0MB in the end (delta: -178.0MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * CodeCheck took 642213.98ms. Allocated memory was 343.9MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 250.0MB in the beginning and 1.1GB in the end (delta: -890.7MB). Peak memory consumption was 628.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:51:26,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8c3d0d99b1a4ed01b0f7abd82dc706f1d3a99a21ba3b1eb67aeb8a353cd5545e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:51:28,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:51:28,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-12-05 22:51:28,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:51:28,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:51:28,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:51:28,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:51:28,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:51:28,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:51:28,579 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:51:28,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:51:28,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:51:28,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:51:28,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:28,581 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:51:28,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:51:28,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:51:28,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:51:28,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:51:28,582 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:51:28,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:28,582 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:51:28,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 8c3d0d99b1a4ed01b0f7abd82dc706f1d3a99a21ba3b1eb67aeb8a353cd5545e [2024-12-05 22:51:28,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:51:28,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:51:28,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:51:28,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:51:28,848 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:51:28,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2024-12-05 22:51:31,560 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/ff2b70738/add1f37762c04761abf5f724bbcf3292/FLAG5020f9350 [2024-12-05 22:51:31,855 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:51:31,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2024-12-05 22:51:31,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/ff2b70738/add1f37762c04761abf5f724bbcf3292/FLAG5020f9350 [2024-12-05 22:51:32,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/data/ff2b70738/add1f37762c04761abf5f724bbcf3292 [2024-12-05 22:51:32,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:51:32,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:51:32,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:51:32,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:51:32,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:51:32,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:51:32" (1/1) ... [2024-12-05 22:51:32,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5325578e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:32, skipping insertion in model container [2024-12-05 22:51:32,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:51:32" (1/1) ... [2024-12-05 22:51:32,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:51:32,965 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,966 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,967 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,969 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,970 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,971 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,971 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,972 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,972 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,973 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,976 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,977 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,981 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,981 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,987 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,988 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,989 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:32,998 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:51:33,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:51:33,046 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:51:33,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:51:33,290 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-12-05 22:51:33,298 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:51:33,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33 WrapperNode [2024-12-05 22:51:33,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:51:33,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:51:33,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:51:33,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:51:33,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,393 INFO L138 Inliner]: procedures = 607, calls = 482, calls flagged for inlining = 25, calls inlined = 19, statements flattened = 800 [2024-12-05 22:51:33,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:51:33,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:51:33,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:51:33,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:51:33,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:51:33,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:51:33,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:51:33,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:51:33,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:33" (1/1) ... [2024-12-05 22:51:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:51:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:51:33,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:51:33,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2024-12-05 22:51:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:51:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-12-05 22:51:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-12-05 22:51:33,873 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:51:33,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:51:35,783 INFO L? ?]: Removed 380 outVars from TransFormulas that were not future-live. [2024-12-05 22:51:35,783 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:51:35,934 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:51:35,934 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-12-05 22:51:35,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:51:35 BoogieIcfgContainer [2024-12-05 22:51:35,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:51:35,935 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:51:35,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:51:35,943 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:51:35,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:51:35" (1/1) ... [2024-12-05 22:51:35,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:51:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 255 states and 288 transitions. [2024-12-05 22:51:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 288 transitions. [2024-12-05 22:51:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:51:35,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:35,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:35,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:35,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:36,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:51:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:36,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:37,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:51:37,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:37,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 22:51:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:37,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:51:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 254 states and 287 transitions. [2024-12-05 22:51:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 287 transitions. [2024-12-05 22:51:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:51:38,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:38,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:38,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:38,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:38,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:51:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:39,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:39,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:51:39,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:39,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:51:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:39,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:51:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 253 states and 286 transitions. [2024-12-05 22:51:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 286 transitions. [2024-12-05 22:51:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:51:40,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:40,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:40,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:40,963 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:40,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:51:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:41,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:42,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:51:42,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:42,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:51:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 254 states and 288 transitions. [2024-12-05 22:51:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 288 transitions. [2024-12-05 22:51:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:51:42,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:42,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:42,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:42,267 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:42,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:51:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:42,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:42,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:51:42,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:42,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:51:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 255 states and 290 transitions. [2024-12-05 22:51:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2024-12-05 22:51:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:51:43,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:43,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:43,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:43,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:43,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:51:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:44,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:44,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:51:44,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:44,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:51:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:44,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:51:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:45,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 257 states and 292 transitions. [2024-12-05 22:51:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 292 transitions. [2024-12-05 22:51:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:51:45,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:45,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:45,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:45,306 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:45,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:51:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:46,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:46,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:51:46,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:46,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:51:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 258 states and 295 transitions. [2024-12-05 22:51:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 295 transitions. [2024-12-05 22:51:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:51:46,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:46,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:46,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:46,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:46,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:51:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:47,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:47,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:51:47,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:51:47,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:51:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 258 states and 294 transitions. [2024-12-05 22:51:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 294 transitions. [2024-12-05 22:51:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:51:47,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:47,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:47,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:47,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:47,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:51:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:48,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:49,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:51:49,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:49,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:51:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:49,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:51:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 260 states and 296 transitions. [2024-12-05 22:51:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 296 transitions. [2024-12-05 22:51:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:51:50,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:50,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:50,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:50,147 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:50,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:51:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:50,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:51,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:51:51,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:51,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:51:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 261 states and 299 transitions. [2024-12-05 22:51:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 299 transitions. [2024-12-05 22:51:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:51:51,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:51,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:51,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:51,802 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:51,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:51:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:52,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:52,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:51:52,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:51:52,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:51:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 261 states and 298 transitions. [2024-12-05 22:51:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 298 transitions. [2024-12-05 22:51:52,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:51:52,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:52,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:52,853 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:52,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:51:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:53,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:54,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:51:54,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:54,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:51:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:54,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:51:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 263 states and 300 transitions. [2024-12-05 22:51:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 300 transitions. [2024-12-05 22:51:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:51:55,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:55,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:55,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:55,797 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:55,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:51:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:56,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:57,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:51:57,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:57,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:51:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:57,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:51:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 264 states and 303 transitions. [2024-12-05 22:51:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 303 transitions. [2024-12-05 22:51:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:51:57,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:57,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:57,809 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:57,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:51:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:58,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:58,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:51:58,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:51:58,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:51:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 264 states and 302 transitions. [2024-12-05 22:51:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 302 transitions. [2024-12-05 22:51:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:51:59,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:59,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:59,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:59,037 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:59,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:52:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:00,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:00,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:52:00,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:00,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:00,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:52:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 266 states and 304 transitions. [2024-12-05 22:52:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 304 transitions. [2024-12-05 22:52:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:52:02,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:02,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:02,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:02,394 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:02,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:52:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:03,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:03,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:03,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:03,802 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:52:03,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:52:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:52:04,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:52:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 268 states and 310 transitions. [2024-12-05 22:52:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 310 transitions. [2024-12-05 22:52:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:52:09,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:09,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:09,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:09,661 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:09,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:52:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:10,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:11,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:52:11,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:11,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:11,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:52:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 269 states and 313 transitions. [2024-12-05 22:52:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 313 transitions. [2024-12-05 22:52:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:52:12,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:12,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:12,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:12,470 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:12,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:52:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:12,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:13,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:52:13,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 22:52:13,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:52:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 269 states and 312 transitions. [2024-12-05 22:52:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 312 transitions. [2024-12-05 22:52:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:52:13,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:13,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:13,986 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:13,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:52:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:15,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:15,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:52:15,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:15,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:16,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:52:18,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:18,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 271 states and 316 transitions. [2024-12-05 22:52:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 316 transitions. [2024-12-05 22:52:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:52:18,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:18,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:18,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:18,662 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:18,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:52:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:19,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:19,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:19,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:20,062 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:52:20,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:52:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 22:52:20,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:52:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 272 states and 316 transitions. [2024-12-05 22:52:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 316 transitions. [2024-12-05 22:52:20,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:52:20,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:20,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:20,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:20,711 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:20,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:52:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:21,598 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:22,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:52:22,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:22,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:22,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:52:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 273 states and 319 transitions. [2024-12-05 22:52:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 319 transitions. [2024-12-05 22:52:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:52:23,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:23,794 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:23,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:52:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:24,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:24,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:52:24,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 22:52:24,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:52:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:25,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 273 states and 318 transitions. [2024-12-05 22:52:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 318 transitions. [2024-12-05 22:52:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:52:25,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:25,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:25,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:25,478 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:25,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:52:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:26,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:27,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:52:27,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:27,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:27,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:52:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 275 states and 322 transitions. [2024-12-05 22:52:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2024-12-05 22:52:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:52:30,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:30,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:30,845 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:30,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:52:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:31,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:32,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:32,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:32,309 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:52:32,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:52:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 22:52:32,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:52:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 276 states and 322 transitions. [2024-12-05 22:52:33,055 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 322 transitions. [2024-12-05 22:52:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:52:33,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:33,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:33,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:33,057 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:33,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:52:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:33,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:34,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:52:34,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:34,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:35,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:52:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 277 states and 325 transitions. [2024-12-05 22:52:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 325 transitions. [2024-12-05 22:52:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:52:36,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:36,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:36,445 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:36,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:52:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:36,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:37,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:52:37,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-05 22:52:37,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:52:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 277 states and 324 transitions. [2024-12-05 22:52:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 324 transitions. [2024-12-05 22:52:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:52:38,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:38,248 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:38,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:52:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:39,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:40,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:52:40,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:40,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:40,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:52:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 279 states and 328 transitions. [2024-12-05 22:52:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 328 transitions. [2024-12-05 22:52:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:52:44,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:44,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:44,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:44,771 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:44,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:52:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:45,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:46,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:46,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:46,607 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:52:46,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:52:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-05 22:52:46,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:52:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 280 states and 328 transitions. [2024-12-05 22:52:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 328 transitions. [2024-12-05 22:52:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:52:47,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:47,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:47,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:47,592 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:47,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:52:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:48,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:49,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:52:49,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:49,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:50,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:52:51,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 281 states and 331 transitions. [2024-12-05 22:52:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 331 transitions. [2024-12-05 22:52:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:52:51,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:51,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:51,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:51,917 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:51,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:52:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:52,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:52,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:52:52,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 22:52:52,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:52:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 281 states and 330 transitions. [2024-12-05 22:52:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 330 transitions. [2024-12-05 22:52:54,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:52:54,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:54,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:54,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:54,063 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:54,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:52:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:55,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:56,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:52:56,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:56,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:52:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:57,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:53:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 283 states and 334 transitions. [2024-12-05 22:53:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 334 transitions. [2024-12-05 22:53:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:53:01,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:01,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:01,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:01,097 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:01,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:53:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:02,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:02,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:53:02,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:02,915 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:53:02,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:53:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-05 22:53:03,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:53:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 284 states and 334 transitions. [2024-12-05 22:53:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 334 transitions. [2024-12-05 22:53:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:53:03,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:03,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:03,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:03,892 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:03,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:53:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:05,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:05,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 22:53:05,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:05,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:53:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:53:06,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:53:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 285 states and 337 transitions. [2024-12-05 22:53:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 337 transitions. [2024-12-05 22:53:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:53:08,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:08,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:08,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:08,134 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:08,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:53:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:08,607 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:08,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:53:08,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-05 22:53:09,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:53:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 285 states and 336 transitions. [2024-12-05 22:53:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 336 transitions. [2024-12-05 22:53:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:53:10,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:10,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:10,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:10,351 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:10,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:53:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:11,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:12,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 22:53:12,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:12,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:53:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:53:13,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:53:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 287 states and 340 transitions. [2024-12-05 22:53:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 340 transitions. [2024-12-05 22:53:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:53:17,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:17,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:17,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:17,857 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:17,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:53:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:18,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:19,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:53:19,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:19,525 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:53:19,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:53:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-05 22:53:19,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:53:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 288 states and 340 transitions. [2024-12-05 22:53:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 340 transitions. [2024-12-05 22:53:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:53:20,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:20,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:20,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:20,639 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:20,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:53:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:21,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:22,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:53:22,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:22,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:53:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:53:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:53:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 289 states and 343 transitions. [2024-12-05 22:53:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 343 transitions. [2024-12-05 22:53:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:53:25,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:25,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:25,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:25,327 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:25,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:53:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:25,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:26,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:53:26,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-05 22:53:26,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:53:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 289 states and 342 transitions. [2024-12-05 22:53:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 342 transitions. [2024-12-05 22:53:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:53:27,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:27,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:27,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:27,762 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:27,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:53:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:29,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:29,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 22:53:29,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:29,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 22:53:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:53:30,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:53:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 291 states and 346 transitions. [2024-12-05 22:53:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 346 transitions. [2024-12-05 22:53:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:53:35,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:35,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:35,911 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:35,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:53:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:54,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:55,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:53:55,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:55,327 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 22:53:55,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 22:53:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:53:55,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:53:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 292 states and 346 transitions. [2024-12-05 22:53:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2024-12-05 22:53:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:53:56,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:56,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:56,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:56,562 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:56,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38ccc06-cf9f-414c-ac80-919265b7ffcb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process